{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xe03ac5dda9c3eabbdb17b8c30aac8267664424e61778f580a8dbc2a6eba1098e",
    "signature": "0x6929b9bcabca171ea51878a11c6dc505d54b220cb40d71693a951b3e12a0019070cb82c94a67f1248de80d492d83ba0664d92b050afd154b0027f6929c32c0e61c",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}