{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa5b36a06c7ead52ac1a055262ad43573a71e32131891d9f943ae0e1a29f97f06",
    "signature": "0x53c85e53083fc5569a4780ff75cdbd70275dd975afa9ccc363d6a9a04434d53b4de06e7abe36f34f0edbad50af2e14d00cb2d0ec40c37e50047388b290378dac1c",
    "signer": "0x005beD30Af7a301B76fF764D16DA247C754e0535",
    "userId": "902455820"
  }
}