{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8662",
    "entityType": "User",
    "nonce": "0xa47bb67f4393216693d583776fe2627154aa5ea1f958829d34d87c015d77be55",
    "signature": "0x42c2be5cc1dec65e5f66ca73818b8341d75509c83e24db8329cb8eb400db76f41704f2c4ddd14427322e705218a6c75ce83e0bc9665b40ab1cbdcf6446ece0231b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}