{
  "manageEntity": {
    "action": "Create",
    "entityId": "128923920",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":128923920,\"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": "0x4de9ed4431835f2516318c13788db0f6025670dbd4bff929e6c5c66a304a36e8",
    "signature": "0x3be4f1237bcc19bff97d48c1f19652ffaf9097e051cb465fb0a0001c32e6affd4ab16527af1a347d75dc4762c8c53425149155a5b25148f46a5e62747ec4509e1c",
    "signer": "0xbef35C64a7E1d0f4dbe17441C3E7aE96274c4473",
    "userId": "389234186"
  }
}