{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x14d0f27fbfdc7915b9f14cf3680af27fe9e29a5acf58fb02714e22f9e42cf702",
    "signature": "0xeacab2c18dd1905bbe6ed2d0d1ba9d8432a8b6b97f41b8c445a2e1be7eb5559627d597afb3e03da4b56bbec8113d5ef18c226cffa5365e33e5cf1a6aa52e4ab41c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}