{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858479840",
    "entityType": "User",
    "nonce": "0x5c8a572eba9d32f445174228e555a9c3fa505a80ac82a5513b92b1c6d810ee87",
    "signature": "0x0ce58dc328e06c866ff67a203001b6726a56cb04afb660de8ba3e94a311856cb241e09ea23c08e18f1435d9f33960b1e5bdf6f7e9f62d2094aa639127a15ba0f1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}