{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3bd4d32c9d3ea9fbae356963a3b868d10859e4c90a5c1beddfffef4ff2523133",
    "signature": "0xb15ca4e4e00d31c3684b29483a8d675186d090467b11dfa29e00f797bfd409713f32034c400398310fd103596c8dc5a00be2bbde8d236040ec4f57a9163b7c991b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}