{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x22ce5246833cd1817d3aa6934976cd90b2c4de89b3b00fecc7a92798195c7b8f",
    "signature": "0x2ebc7a75ec9f212a5099a2c54d1738a9325f5403cac8723b8c121d5741fbf7e10d472281be4447b10c00f1e743925eb813553c26f771059d0043cd48b90427ab1c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}