{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1f67a3e78327af0855664a19657250bedc884fb41e75b3d96d57ff9e48253b86",
    "signature": "0x19a3a8ee7fad853d1067d03e5c92e70cda99d7715b22b58fa3cdeaaae4d1d23130917baf76bd257615898d885794b7dfc15d37252cfe9c8d3b2d3b66ee68152e1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}