{
  "manageEntity": {
    "action": "Create",
    "entityId": "579162354",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":579162354,\"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": "0x1c08bc54e61874b9c8b0a158f10bd462131d2c56f7ddc38ccc802a27c4829d02",
    "signature": "0xc96c0271b6ee15c77f4e8b65a4f2425b78b2e2f82129bc91922b77bc26dd36e65e463bd21a1e2a6f4cf9f56f14fb7199d8c9de50080d002a3ef95b327e8481571c",
    "signer": "0xF92E3Be85294Fbc19D37E7c909773B572755f070",
    "userId": "478204378"
  }
}