{
  "manageEntity": {
    "action": "Create",
    "entityId": "876521899",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":876521899,\"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": "0xa4c8915a9830071a671e292f887a2016595b66c2babab8c9629944a14842aa44",
    "signature": "0x00ca58c5017ce57144a683c413c5cdae0c839abb53e1b1531ff8a15db6fad4a272121ad01f98eab18887c05b2c27bd4e2a4ba8c7159a86e6ddc46d42693eedc11b",
    "signer": "0xD7853B593997688cAAf44f7fa874341f5E87AfCc",
    "userId": "505615926"
  }
}