{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd76d50fc9f11cb90982ff3c9914ffcc799904b1fd851d1ac66084e023c764766",
    "signature": "0x47c56ae93ec78044ee76f1c84a145fb87c26db5817e2bb5563dbcc282429849d5e4517a93f2f7797e0ebc4767ab76a14013b86cfa8aca131ba1adfb88497ab551b",
    "signer": "0xaCa7953CD273B28Ac40A1949c2f4E31562A30c91",
    "userId": "223927047"
  }
}