{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x922f217109e49889ece95bfd8c8a72cb8dbb28dc5852bb375de6e267175723af",
    "signature": "0xb5cd22c9c5a1c940f3562a6c451413b21010369857d091c19938ca6dc892e3eb71e9cc471da0a5e7a517e0822a447c3aa2c313ade286628f7faaf50096144aa51c",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}