curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{walletId}/withdraw/sign \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "assets": [
    {
      "address": "0x3fF694f48d28006D5cBF3f8655aA4700479684b0",
      "amount": "12",
      "id": "97247b60-defb-497e-83b4-7b05dcea4d03"
    },
    {
      "address": "0x3fF694f48d28006D5cBF3f8655aA4700479684b0",
      "amount": "12",
      "id": "97247b60-defb-497e-83b4-7b05dcea4d03"
    }
  ]
}'

{
  "data": {
    "errors": [],
    "success": [
      {
        "amlScreening": {
          "message": "Address is not sanctioned",
          "provider": "ofac, fbi, tether, circle",
          "status": "success"
        },
        "amount": "0.005",
        "amountPaid": "0.005",
        "amountUSD": "3.81355",
        "asset": {
          "address": "0x0000000000000000000000000000000000000000",
          "createdAt": "2025-08-01T12:36:47.204Z",
          "currency": "BNB",
          "decimals": 18,
          "id": "4250e3a2-29b7-48ed-9aad-2b5dff38e361",
          "isActive": true,
          "isNative": true,
          "name": "Binance Coin",
          "network": "testnet",
          "standard": null,
          "symbol": "BNB",
          "updatedAt": "2025-08-01T12:36:47.204Z"
        },
        "assetSwept": null,
        "assetSweptAmount": null,
        "assetSweptAt": null,
        "assetSweptGasFee": null,
        "assetSweptHash": null,
        "assetSweptRecipientAddress": null,
        "assetSweptSenderAddress": null,
        "blockHash": null,
        "blockNumber": null,
        "blockchain": {
          "createdAt": "2025-08-01T12:36:47.166Z",
          "derivationPath": "m/44'/60'/0'/0",
          "id": "3953d0bc-4d9c-4dab-9814-bc204ea86028",
          "isActive": true,
          "isEvmCompatible": true,
          "isL2": false,
          "name": "BNB smart chain",
          "slug": "bnb-smart-chain",
          "symbol": "bnb",
          "tokenStandard": "BEP20",
          "updatedAt": "2025-08-01T12:36:47.166Z"
        },
        "chainId": null,
        "confirmations": null,
        "confirmed": true,
        "createdAt": "2025-08-06T11:46:05.603Z",
        "currency": "BNB",
        "fee": null,
        "feeHash": null,
        "gasFee": null,
        "gasPrice": null,
        "gasUsed": null,
        "hash": "0xd68bd0414744a2c158ad2918d0b1c6fc8c470b40fbfb7e193151d8a4ff1a18d1",
        "id": "cbc773f8-65e3-4747-8970-8e77506d95d7",
        "metadata": null,
        "network": "testnet",
        "note": null,
        "rate": null,
        "rateUSD": "762.71",
        "reason": null,
        "recipientAddress": "0x3fF694f48d28006D5cBF3f8655aA4700479684b0",
        "reference": "OT0l1NyuB2",
        "senderAddress": "0x48197e643FfE94C045E96268c3d749eFd5Cf62d6",
        "signedTransaction": "0xf86b078407270e00825208943ff694f48d28006d5cbf3f8655aa4700479684b08711c37937e080008081e5a058d0884d70ee58673cefc50c289308587eca8021b16b73f7263b0deebb90b474a01ef25882279f1148b9e67d251ea7112666fef9f703e6787e8a9ecc677fe4eb88",
        "status": "SUCCESS",
        "toAmount": null,
        "toCurrency": null,
        "tokenAddress": "0x0000000000000000000000000000000000000000",
        "type": "SIGNED",
        "updatedAt": "2025-08-06T11:46:05.603Z",
        "wallet": {
          "address": "0x48197e643FfE94C045E96268c3d749eFd5Cf62d6",
          "configurations": {
            "autoSweeping": {
              "isActive": false,
              "threshold": 0
            },
            "withdrawal": {
              "gasless": {
                "isActive": false,
                "operator": "gt",
                "threshold": 0
              }
            }
          },
          "createdAt": "2025-08-01T17:25:56.817Z",
          "derivationPath": "m/44'/60'/0'/0/0",
          "description": "bnb",
          "id": "acff0ed8-0592-4942-848a-6d0a3559c279",
          "isActive": true,
          "name": "BNB Wallet",
          "network": "testnet",
          "status": "ACTIVE",
          "updatedAt": "2025-08-04T15:24:38.130Z"
        }
      },
      {
        "amlScreening": {
          "message": "Address is not sanctioned",
          "provider": "ofac, fbi, tether, circle",
          "status": "success"
        },
        "amount": "0.005",
        "amountPaid": "0.005",
        "amountUSD": "3.81355",
        "asset": {
          "address": "0x0000000000000000000000000000000000000000",
          "createdAt": "2025-08-01T12:36:47.204Z",
          "currency": "BNB",
          "decimals": 18,
          "id": "4250e3a2-29b7-48ed-9aad-2b5dff38e361",
          "isActive": true,
          "isNative": true,
          "name": "Binance Coin",
          "network": "testnet",
          "standard": null,
          "symbol": "BNB",
          "updatedAt": "2025-08-01T12:36:47.204Z"
        },
        "assetSwept": null,
        "assetSweptAmount": null,
        "assetSweptAt": null,
        "assetSweptGasFee": null,
        "assetSweptHash": null,
        "assetSweptRecipientAddress": null,
        "assetSweptSenderAddress": null,
        "blockHash": null,
        "blockNumber": null,
        "blockchain": {
          "createdAt": "2025-08-01T12:36:47.166Z",
          "derivationPath": "m/44'/60'/0'/0",
          "id": "3953d0bc-4d9c-4dab-9814-bc204ea86028",
          "isActive": true,
          "isEvmCompatible": true,
          "isL2": false,
          "name": "BNB smart chain",
          "slug": "bnb-smart-chain",
          "symbol": "bnb",
          "tokenStandard": "BEP20",
          "updatedAt": "2025-08-01T12:36:47.166Z"
        },
        "chainId": null,
        "confirmations": null,
        "confirmed": true,
        "createdAt": "2025-08-06T11:46:08.359Z",
        "currency": "BNB",
        "fee": null,
        "feeHash": null,
        "gasFee": null,
        "gasPrice": null,
        "gasUsed": null,
        "hash": "0xd68bd0414744a2c158ad2918d0b1c6fc8c470b40fbfb7e193151d8a4ff1a18d1",
        "id": "9cc1d9cb-bd79-4665-82c1-4297ba2c4a07",
        "metadata": null,
        "network": "testnet",
        "note": null,
        "rate": null,
        "rateUSD": "762.71",
        "reason": null,
        "recipientAddress": "0x3fF694f48d28006D5cBF3f8655aA4700479684b0",
        "reference": "9Y94rx3oEe",
        "senderAddress": "0x48197e643FfE94C045E96268c3d749eFd5Cf62d6",
        "signedTransaction": "0xf86b078407270e00825208943ff694f48d28006d5cbf3f8655aa4700479684b08711c37937e080008081e5a058d0884d70ee58673cefc50c289308587eca8021b16b73f7263b0deebb90b474a01ef25882279f1148b9e67d251ea7112666fef9f703e6787e8a9ecc677fe4eb88",
        "status": "SUCCESS",
        "toAmount": null,
        "toCurrency": null,
        "tokenAddress": "0x0000000000000000000000000000000000000000",
        "type": "SIGNED",
        "updatedAt": "2025-08-06T11:46:08.359Z",
        "wallet": {
          "address": "0x48197e643FfE94C045E96268c3d749eFd5Cf62d6",
          "configurations": {
            "autoSweeping": {
              "isActive": false,
              "threshold": 0
            },
            "withdrawal": {
              "gasless": {
                "isActive": false,
                "operator": "gt",
                "threshold": 0
              }
            }
          },
          "createdAt": "2025-08-01T17:25:56.817Z",
          "derivationPath": "m/44'/60'/0'/0/0",
          "description": "bnb",
          "id": "acff0ed8-0592-4942-848a-6d0a3559c279",
          "isActive": true,
          "name": "BNB Wallet",
          "network": "testnet",
          "status": "ACTIVE",
          "updatedAt": "2025-08-04T15:24:38.130Z"
        }
      }
    ]
  },
  "message": "Transaction signed successfully",
  "statusCode": 200
}