{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd6e54b335323edcfe943252a304dd22c24a1ea96e796e79ef7bec286a16fd8e5",
    "signature": "0xfa9e9942d15945f13c6cd9b02d04701c905852273623c2b80b5356376d48de713bf7ee8644982f537eead08a546e78fa34e2e615ca9c4bd6ae77f5e3d3bc743d1c",
    "signer": "0x1472Fec023A32bFDB4d9d8dD1C920b2DD601638F",
    "userId": "452206810"
  }
}