{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3630b53980f9235a6eb186e154cf13a2cdaf91b3c42052b7fae306eb71fd0ccd",
    "signature": "0xc747fe6151899e13fe47bf47c35eb60a16638802d3f3088533b10bfeb7ab58992e9facdc529c39d75a87e1444358c0e008cab5ab75048d8990a13d2c4ebc78091c",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}