{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x696860b7e5356bd4c63603436e3192589bd4f349457c4793e77369348d7bc972",
    "signature": "0x2866b28cf3d8e23c521de8a55a61ca9ecb81cb23d72f20206c71a478e92962e84275e6dd0a27857710f375d15b01687f0f75f78b5fe1e06513e52696dc809cdb1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}