{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x89195840b8463eae96aa9df7f673bdd0c00b151e5814adf1c6923ed784799e4c",
    "signature": "0xac11a5ea1b6ef89a435a8219026aaf0fd253e040a35bded9768957eb3175e78e127bb87f98323452d9c6d5f2a3e2671eb685f2b3f04ca97217ea137a40b8c2c81c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}