{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "892670088",
    "entityType": "User",
    "nonce": "0xb984b5992710d2649b0f520608086b69837dac9cab0ad2a418a143fa99ffa846",
    "signature": "0x276c72eed8bbb8b8f92fe80364d1083cfab4d0a9d03f8ee47f3f74cbaba81c5308418a27c624a559b795bfef34f385180d719640b7649edfe0cee451f566c50e1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}