{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125656",
    "entityType": "User",
    "nonce": "0xa44477a716bfa0b31dedb9797eac9d628f88644e6ac77d67f2cb64eb2e0dbe9b",
    "signature": "0xccde179e978f56b59906975c8f9748e7e2a54232315f134b836edf75d5e74ca25941c437a1c2893e773f3697ddeb81488d98da172ace67af7e67105cd381718e1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}