{
  "manageEntity": {
    "action": "Create",
    "entityId": "425882923",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":425882923,\"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": "0x215a6c169abae317fa9e1956ea444a7a6558c1499725a208a8402df4fa1ddf6f",
    "signature": "0x5735e1c6667f3a0548f36bca37c62f436466bf293b1cd5985e4bc803173f18bc62607e4c6b5a7a270efe21d39a2911611052c3ea0d4bb49528382b2f0f59fd711b",
    "signer": "0x12Dd122e04eDA14fA483f2F178ea67E04fd312B9",
    "userId": "388523895"
  }
}