{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "528688046",
    "entityType": "User",
    "nonce": "0x4db75371d1d9cc6d51198c91ba22b032578769a9d3e8c8649427b1d7f45ab77f",
    "signature": "0x88a10e2ccc07143a045c1a58f623b74716da09802b9bb771d8cec26fa570a11751d45cdc0bc971071f62a34d472eaaf67430fd75295403ac1a450d711ae045791c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}