{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf2bb5177384b554e938187705a64b9b7161f19c191793a442bf49e018676c02c",
    "signature": "0xb9dee731a0d8afee804ce37d97bfa03b012971d583572e2d7dd20b342c0e4f055c8fb4348f238e5cca22ef83218131453a522990691915d1573748a32ee5fcd91b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}