{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb056988ee24a61ea05d6cf5ab3f901bac4aa9fa9ccf940877f0863baeeb0973d",
    "signature": "0x642b7111e98926b2b5c871f791bac6b1cf7d04f1eaeb098763bea681b2ccc9887ba263b3d11d51dfc651e255f7ccfdbf5c0a5603be5d1ffe3f48539df71ffe371c",
    "signer": "0xAd3852b57Ce1853b5633884cCEb6bCF48AB644Be",
    "userId": "608902598"
  }
}