{
  "manageEntity": {
    "action": "Create",
    "entityId": "469299941",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":469299941,\"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": "0xfc0ea22d04b91cb1ad8179e99617481ac3ceca69de7f2cd5bbda04642d2a2c8f",
    "signature": "0x72d8ef439547e7766cb0ef36f28e38d9dc39dd79fd27ce81cf84f7df450b3fc4736b5cc4d58dd0e882173f912dedf99248f312ba500fbd3e52f4b8bcdc0c9efe1c",
    "signer": "0x5D040c7e172B07431383B4bd6Fdd84ed67B8Ba0f",
    "userId": "508547804"
  }
}