{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842214964",
    "entityType": "User",
    "nonce": "0x1f598e244392f79123da91254f1143e99aa72b60615193c7df7ff3689d6c5d71",
    "signature": "0x3cfdb3d9724d65489d76ee0556bb4fab1254f54eef19f5730f5e0e690faf5607238b75cce32be001a10468656b788c989ca5ebf68fb83902079fedea11e3fd8a1c",
    "signer": "0x5aABF607817cf3cD4d866cc396132C82164f784F",
    "userId": "464183022"
  }
}