{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x6211c19aa1a9e1f78be9efd10e861117e96b8e9f0d7ca35aa18a9ea95b049012",
    "signature": "0x2b8fe23e178cfcfa55100cb700092b8019ff2521140909673ff2fc75c04793fe20f33282e6c74bc8e85d0c540442d28cd7075a83c9e781f5156bf8a3395574e51b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}