{
  "manageEntity": {
    "action": "Create",
    "entityId": "272889268",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":272889268,\"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": "0xf91f3b5f13d3ceb9f111c4ae895d65b11a83ea16636368953027741a0962336d",
    "signature": "0x5edbd1f36282bd34c1caba46f641f5f0e882013b53ca75f452d44aa7f76789b04a60957317693fe9b4468b3ab55e6d29766628be00c14529764f5e3ae9de35f31c",
    "signer": "0x13494aBe2e0D5cD0682866EbDb868fcf5d3F31E7",
    "userId": "186528399"
  }
}