{
  "manageEntity": {
    "action": "Create",
    "entityId": "11965744",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":11965744,\"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": "0x39bee89c7454f9cd4c4fadaafc95f03ab31a38f5777b32af143c028165167f0a",
    "signature": "0xe373370b2de5f69b92e936e5649f31a88b5d935507f06b6ad1079c58c77cf3ef4f373872c297fecd634eda85bfca9f7dfb32fbb37b399754db6f2703ac64a0cb1b",
    "signer": "0x3DdfB99173Ed7ff3A083C9C589582B230d37906E",
    "userId": "192527938"
  }
}