{
"fed_total_assets": {
"series_id": "string",
"date": "string",
"value_usd_bn": 0
},
"treasury_general_account": {
"series_id": "string",
"date": "string",
"value_usd_bn": 0
},
"overnight_reverse_repo": {
"series_id": "string",
"date": "string",
"value_usd_bn": 0
}
}