{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151038",
    "entityType": "User",
    "nonce": "0x105f63e37f62e30cf4c12fbedb27a69979c63547c9602ae1ab85c481b48bee57",
    "signature": "0x366a310ece539137b4a04133b3562f00e77dea1d397f1607be6543a9a2eb583926b11984bfd76826f3c73e53bb8f7cbd53234d62dd52d335eba216f89de85d371c",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}