{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936",
    "entityType": "User",
    "nonce": "0xcb113d73cc84c7aa511b85747edf223b9788dbdd22d5ed138184f112125cdb89",
    "signature": "0x052a9b7cbb96e5ca42af4018dab2b8fe23b55dee77ab4cf47595b636c9d7bd2f7f9db5f96a8ae93bdf3d2120ee1f887e58c60a6e19c7d78de0f5e8364af3cea31c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}