{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb074c51a0b6fb88fc35b58e2d372bc1ae2873af6914ec88a080a34ffd762f623",
    "signature": "0x62860bcf673e14203ce3f08dd0fe282ed48823aa2d0b711282bf76e046aa4c3a4aace909d2a5a30c6316da22149b7f6ed9c8b571ad5132b55cff679c46bde7de1c",
    "signer": "0xc2866e2a73cc1f91d6F5c62287152F2394D1979D",
    "userId": "216678909"
  }
}