{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xfe24934e2ed4765c635a03229559a0a0e1965f9faa454c5f0343d1502b8f424b",
    "signature": "0xb9c78c800d52f30733691f865f6f5c4fde807d45a2a471d4d2164d905f14ec423106e7beaba7baf4339ea60520bb0ec33e7f45ebb3c4a409e919fe99fb3a6b261c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}