{
  "manageEntity": {
    "action": "Create",
    "entityId": "1699444899",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1699444899,\"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": "0xe021b12a88b1d71eaae8c6e8b0ca6c46d10f3000ac5e438301f3d53a5cc85dcd",
    "signature": "0xdbdc47fe95104c9e862a7f3bba0d41e474921e98f55ec9ea1845a4dc7c3c0be924a14e50b971ce59410153b1378cc5ece8858721b35eea0caad898c05deaa1091c",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}