{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "307032107",
    "entityType": "User",
    "nonce": "0x1fefcc14df8757004655e9c678c74d3fae6fb8fe5b241eef451cdcde29c94fe8",
    "signature": "0x923366a3208ad4ce7d1f938f8665dc49b1b385031a8913a4565146b5aa4af6926c12d9aa1c1c5b5d8aa644e7f45263bb50387206ab40ce7081470aef728920231c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}