{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3a7a105168570c48ed2d87cd6979985dd0444549d338d90cf5314656a784164c",
    "signature": "0x5f373fa4593d4e0c3a653d0ed67adfe44eef428f1d993e6188fcef4baeb4869600331678f327e3f544a33be3e396c3e111e6d9bc41d018dcc9f133d3cbab6b6e1c",
    "signer": "0x3f2bE9B463aF957B402B3F55366C97F142ce7352",
    "userId": "663004641"
  }
}