{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x95fb3a6acb03b839391c7e8989279b518a06e44d3ed0493f2ac76c026036e811",
    "signature": "0x78c30cc9f9d4157adc8ec8c6cc5d653d0b2f7f9166cdfcd1d86dcf7d561aeb9a502e09e56b57b9d0216b8a721fa09061d3d31a9de61673493b7de4714926884f1c",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}