{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x87647962dc75e8fe2bd009afe77170d53b3bfdefae1529ec04738a8373a16fd9",
    "signature": "0x398e7035e6a4262f93ced4d6123dbcb0c27197d6420bf2ec84da9c4626d5771a427b3e6a55c05b934aceb7793864f733ad0c28ca6e2a11dd29539a7ec1a3af981b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}