{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1966617",
    "entityType": "User",
    "nonce": "0x1dfc083dc42444a56818886843a15082543286f618a43d93b12984f5b6759778",
    "signature": "0xc70486a4cae453a2ff4f9216a3310a1fbbe6f7f7c81b517683fd7b4fdbd7068b27202fc6cc06cd22d88bf3868af62f175e33d793890bd3ab8f7b344f4822a0181c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}