{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844754103",
    "entityType": "User",
    "nonce": "0x7d81a54c6a96f898779dab56991563f1e0fec91b2faeb3cc75d7673fd2aa3ad2",
    "signature": "0x53268f13a9aa9035b55b54cbc14c1e6222042ec5084fb4bf4aa125a031641fa04caab384408ffcf4fda8a5beb695588c673b74a8bee8630d733d73d24fd2b89f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}