{
  "manageEntity": {
    "action": "Create",
    "entityId": "394055898",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":394055898,\"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": "0x113a2e2c0698a2ad21448bfeae988c6d4d5393b3f798a05d87dbe24d1f70afa2",
    "signature": "0x8e5d1fad39fd02e671810eb304b8660f3a5cbac478aff355a38b6d9889b45714718f8698399e06f87fa426b8718e3cfdfe23d59aac8d8247a31e2b6385827e3d1c",
    "signer": "0x0f1A38dBdFE7b5f63a0736b834d4676a1863603D",
    "userId": "59528"
  }
}