curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{walletId}/assets \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "assetId": "ASSET_ID"
}
'

{
  "data": {
    "asset": {
      "address": "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238",
      "createdAt": "2024-05-14T14:53:33.682Z",
      "decimals": 6,
      "id": "fe04a28c-c615-4e41-8eda-f84c862864f5",
      "isActive": true,
      "name": "USDC Coin",
      "network": "testnet",
      "symbol": "USDC",
      "updatedAt": "2024-05-27T12:24:11.951Z"
    },
    "createdAt": "2024-05-26T08:11:43.129Z",
    "id": "c4c26507-207b-4070-b968-31171881c227",
    "isActive": true,
    "updatedAt": "2024-06-06T09:37:55.873Z"
  },
  "message": "Asset added successfully",
  "statusCode": 200
}