{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x769c6ce9b13946fdfa9cb4c35a455efde70fd41022c81897e288085f19f683bf",
    "signature": "0xd412589285df1c744fcb9f50368844bb0b024e48ece71db905b89d246f3cb35b083fcbb039a545ca94d1337ab4b0d70bbad188d3bcdfdb2eda9d10735b524eb61b",
    "signer": "0x4d3E6848a8a1272cbB333b35616e0C22CBD3366B",
    "userId": "353363139"
  }
}