{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4f232d1709b6c6f13ef3d61c6f0b7350033fba5c99e410b7033cd6d40956a3a3",
    "signature": "0x1183fe35e4c25b573b7aff5377586f9243505de57cf98776d2491650dc5d230c1c165a512798b6a103ad47ad1ddd967fe49887492879af8851195adba577ecab1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}