{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180329",
    "entityType": "User",
    "nonce": "0x542e8b9dbb8996fff696b8e5455783867dacb4f5785cbcc29f4746dfb0fe9a51",
    "signature": "0x017b3622e361b561612e77cd60beb036e67865770cfcf7ae8d915f83404263855f95daec7971886d25ad5c6719652ed8a5df226367eae4422ca3cdb2665c98ca1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}