{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbf57ab55bb7264ca8a4c1331c00845d23bd6a6c401b2602229608e1c5243f4d5",
    "signature": "0x6f179950c3000e06a730dde085765035d18ff04811e08897052139f3435dbbe304d397ce3fd3c8de2d7dcf1207220f877e781a6acb92ca0413393116d4af447f1b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}