{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x798eaba5bc833ff5771024bdcf06e6d41cdca297fb79c0029c4b178182d6f14a",
    "signature": "0x40b3cfd85060e850404aa151c03dfd15efe3617fd2357fd559874c49248430b82680569f05316c8c9b7c98fb7e8e55cdf8c62093dec3fd207e6b41fadae903a01b",
    "signer": "0x64c55CeBdbd0A1d65e0B7e01f3C03f0Fbf816cD5",
    "userId": "368317933"
  }
}