{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x2f6692e2d648e6dd230dbbf65b9451f88c272bf1ed3cc7f872c9fcaeef56091d",
    "signature": "0x0b10c1bb846697611fd63463521dcad8da76da244ef5d39ddcb513bb46f841b7252ee5979bf76f7ff81082a5d076f32c3bafbe5ae2863d37b93fafbafbc6005c1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}