{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x83adeb71b24fd4b024ca263ef3318a9041d044534e677011587c68159c1d0213",
    "signature": "0x633be390bc34acdea4226d154a75ec4dffc659c77a4af0acb42a816ca8faf13524c17cc06be52e6e06fc9da429fa28f22f0ca603f330169a48a97bb04fa9adcf1b",
    "signer": "0xF79A8a7657df45b5e7705D391f3B3f2f6f29b958",
    "userId": "436759062"
  }
}