{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x2dc2e80163cead627328e03a85a5e760f15c6dd589ab6883ba1e2d1178dafc49",
    "signature": "0x0318ba0019e7a84476a798b8e910022fa2b5cdbabf01e2758ebf7857fe9398ff6d18d53b34a45677870aceae42eb7dcfbe170c642a3fbd376b4eb95da430c8251c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}