{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x14690af79799eed59f97945921995cf1557e7098bf72d5203994d3d1be2d7e6a",
    "signature": "0x7a2a46fb4e2fcba2952b3a1db4f53a61fe7f736ebfa3ddb61a6961701155e9663710c4fdca33179ce87bd6e560ce12f63fcb70a030fbfc4fe02feae4d911d1231b",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}