{
"synth_source_id": 42,
"source_name": "MBE Chamber A",
"source_makes_id": 3,
"synth_source_type": "mbe",
"source_metadata": {
"manufacture_year": 2021,
"serial_identifier": "GEN10-00421",
"inputs": 8
},
"user_id": "user_abc123",
"last_updated": "2024-01-15T10:00:00Z"
}