{
  "manageEntity": {
    "action": "Create",
    "entityId": "1867225063",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1867225063,\"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": "0xb74cc6ae7a5446ed48be5d5e186ac905d78facd3178c582d183f58e1d92f6cb4",
    "signature": "0x8a61fbde6c3750ce861319e2157150c398932dd949803668ba01e316c05a604748e3c522cc947f8d96c242df98d3d4e57397922717c09167ae1e3f559d68172e1b",
    "signer": "0x7e920377E93611BcF59EAfe8db8F78027330a982",
    "userId": "539276466"
  }
}