{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3f36409ecf65586ffe6092dd823237b649127cf541b5729702bb43745b113675",
    "signature": "0xc8fad558b4b92c4ea97d4ca7b68b215b58a764c38ed383f28cec82e89e91d85e51411f5e511aa075671d42cbb972605162df55ab4162c788acef20897636736b1c",
    "signer": "0x7A109d2c46B4B5fa3f75538461f1762847110050",
    "userId": "528922452"
  }
}