{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xc695aea163ca77a9b3a5ecea456ab3e1abe41185a49c4636f9b2268b0b36998a",
    "signature": "0x8d0185b6ba21305cf6cac92ec588a9c4ca3a6cf9a2b278f6396d976bc210f50e26dcd7d22cb50cc2de58e494872f4abf3eddaa301a61a18060f23e15773854af1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}