{
  "manageEntity": {
    "action": "Create",
    "entityId": "1700240323",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1700240323,\"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": "0xd7f4157f0535b89568347e9ea65e0046b6b2001c279f15928c6778088d97d9fe",
    "signature": "0x349981a221674d415d2e36399158aa9b866a9b9c7b7789c117f2daf6859d0ab0153fd354cbf3903b28f794cfe5d8954dd302a6c8af42c785d8c1074695e635c01b",
    "signer": "0x3f046e31D5a52E83bAFc7AD455c0F26A5aEb26BA",
    "userId": "316400502"
  }
}