{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x16e67fadea4d58c4ead8bae74d0a505f3fd4ce5761fcf10ec97225ad8369c856",
    "signature": "0x55f0333448c1c1a93e91096abb90daaf32e060094e3da9992557b818f2096b854424fa31a46bfa0beee8a3714a1b8a30e58fa7410309e5052d258dcdc7715dfc1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}