{
  "manageEntity": {
    "action": "Create",
    "entityId": "649260585",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":649260585,\"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": "0x242bb8918255f9f68792c6ef045474c25b517233de3241ac98bed7438e7ffc21",
    "signature": "0xba77b454b65fff51ea6cccc9499f526abf29336a223d66aecd4465f0ad29e68974d8b2f12e674322d803bc45eb7ade6c246567d8abcb1088ad2ecd559400a8c81c",
    "signer": "0xD7Ab35ef9474De51d2Fe1C5724Ac24eA4Ce845C4",
    "userId": "511046444"
  }
}