{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3dc44398b49c82410c6afc0fdd64107788e04217f5667577a98d227af83e8f2b",
    "signature": "0xb69da9174a59adc1b29852da0d7bd16e50c48a6b7089843ffbdff2f8f8f84808191d5bc4969f99e1dc749a7e9b370e2359bf1304c8be36fc60fdc53f85e2a6a81b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}