{
  "manageEntity": {
    "action": "Create",
    "entityId": "1745771187",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1745771187,\"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": "0xc3c034be0f7c3fa3796cf5a20e0695bfdc9d37f9dfd11be0c6d1f32eea0c5f7d",
    "signature": "0xd03fec380449f6215e43e034209574707654acfc302552187496b68c7a3bcdd623ebb00fa5e8baedca22da016ecc7f442225b702d0dc62b45a7ba3391098e15d1c",
    "signer": "0x2C1EFEddd8Ce64aB54A75728323766e841234B97",
    "userId": "593763579"
  }
}