{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x15cea8ccfb12ffadea1db96b951617ed5544170c66fbbff7ea67b6f43fe656cd",
    "signature": "0xff6b5b701bff3eaacb87b5b7e915fe145327135fb9d2983242cd4e659c77e2a168843641cb7e1963557b9e98ee657b6fd63baf8ecf99190e12704c1fa2b5b17a1b",
    "signer": "0x8c83aB7F6a7f7A93A7CeFeF6E16b212bA43529f5",
    "userId": "549340592"
  }
}