{
  "manageEntity": {
    "action": "Create",
    "entityId": "470796622",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":470796622,\"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": "0x3ce368b99722e994a4925b8d46ec0f81c37e0bfe3daac0163e38bd9a10fa304d",
    "signature": "0x112da5652bbc75d4d89721299adc3a846032fc483d79874a8a595f49a5d876282760a6c419bc33ccbb98111981d94a59977c4ab022b65d4b84092a98fa99361f1c",
    "signer": "0x9742BFcda3E998678A9f313149c705E80899d5c5",
    "userId": "350957781"
  }
}