{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x48ae2260d68196f2091a2e888bc85c110927c264a9ac7feb736c847228397e40",
    "signature": "0xd87ff44a845e5d49cb05cc5c9819a87250c8141583a4d22fe8c08a8abb3ed4ef4f05477cac87186376e8f2277203e294e1a81cdd22aa9ffaf6c838a2442af90f1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}