{
  "manageEntity": {
    "action": "Create",
    "entityId": "162960103",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":162960103,\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x92a233b2c8d8cf020bc0b4536e2781d967002ccb7f2931f1209dce08014cb272",
    "signature": "0x588f47f1300773904bd3b6eae9207eebc7ca8355b36d84f8c0aeaf51dea3d79101d35ab6ccf356739ba735333116ba4df4f62e859cc38c62b23f87eebf532a371c",
    "signer": "0x15603D478D9A230d0B82A37b716ED8C194DE4daD",
    "userId": "253360517"
  }
}