{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc3c32f25840af50aabf6f067b786f30c867c0d0a821d5be6879a4757130c079",
    "signature": "0xb01c9a4146703fe7901ee35775dbded7146e7c0fc33867de417a3dc48cf8cf655282cfe4ace25d77b13928099c9f2d55b3f0dc2c5a7ffd790938f3457b34c7b41b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}