{
  "manageEntity": {
    "action": "Create",
    "entityId": "1254895641",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1254895641,\"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": "0x06fa63176dc619ba411dd976393e3c76ca46185ff8d33e34691441fb8c35ed2d",
    "signature": "0x19b9e82d95e4b8cecf109f48db519062a9610dfb144cecff83e1f3ebad4a5d235b53e15230f018a3c39b92c66742aa600b5e7f0ca45ee24da65ec358e1ca4ca21b",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}