{
"top_level_fields": [
{
"item_type": "FIELD_DISPLAY_TYPE_UNSPECIFIED",
"validation_type": "VALIDATION_UNSPECIFIED",
"key": "string",
"display_name": "string",
"value": "string",
"format": "string"
}
],
"invoices": [
{
"top_level_fields": [
{
"item_type": "FIELD_DISPLAY_TYPE_UNSPECIFIED",
"validation_type": "VALIDATION_UNSPECIFIED",
"key": "string",
"display_name": "string",
"value": "string",
"format": "string"
}
],
"items": [
{
"fields": [
{
"item_type": "FIELD_DISPLAY_TYPE_UNSPECIFIED",
"validation_type": "VALIDATION_UNSPECIFIED",
"key": "string",
"display_name": "string",
"value": "string",
"format": "string"
}
]
}
]
}
]
}