{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2c081db0075e9b62ee262e2e01d235089307c8c48d9e956fba8324463eef8bf6",
    "signature": "0xa01dee3f2e1ae7e8546b6195dacce1b6e6daa1f772fa42d810a9986b344ea6ba1f9a6b5ccd9688bce7cc17d41ad7e2d68380fb3f8b0d9c42ce80edd5411b8ec11c",
    "signer": "0xEc42239F54dd91CCb96d7B79762C8d48bcE31b4f",
    "userId": "322226641"
  }
}