[
  {
    "sample_no": "SM-001",
    "tag_raw": "vib_rms",
    "asset_raw": "PUMP-01",
    "received_at": "2026-08-22T09:00:00",
    "value": 2.4,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T08:59:59"
  },
  {
    "sample_no": "SM-002",
    "tag_raw": "vib_rms",
    "asset_raw": "PUMP-01",
    "received_at": "2026-08-22T09:00:02",
    "value": 2.5,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:00:00"
  },
  {
    "sample_no": "SM-003",
    "tag_raw": "vib_rms",
    "asset_raw": "PUMP-01",
    "received_at": "2026-08-22T09:00:31",
    "value": 2.6,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:00:02"
  },
  {
    "sample_no": "SM-004",
    "tag_raw": "vib_rms",
    "asset_raw": "PUMP-02",
    "received_at": "2026-08-22T09:04:10",
    "value": 41.2,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:04:09"
  },
  {
    "sample_no": "SM-005",
    "tag_raw": "bearing_temp",
    "asset_raw": "PUMP-02",
    "received_at": "2026-08-22T09:05:00",
    "value": 68,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:04:55"
  },
  {
    "sample_no": "SM-006",
    "tag_raw": "BEARING_TEMP",
    "asset_raw": "PUMP-01",
    "received_at": "2026-08-22T09:05:04",
    "value": 64.5,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:04:59"
  },
  {
    "sample_no": "SM-007",
    "tag_raw": "bearing_temp",
    "asset_raw": "FAN-01",
    "received_at": "2026-08-22T09:06:00",
    "value": null,
    "quality_raw": "BAD",
    "prev_received_at": "2026-08-22T09:05:55"
  },
  {
    "sample_no": "SM-008",
    "tag_raw": "motor_current",
    "asset_raw": "FAN-01",
    "received_at": "2026-08-22T09:07:00",
    "value": 13.8,
    "quality_raw": "UNCERTAIN",
    "prev_received_at": "2026-08-22T09:06:58"
  },
  {
    "sample_no": "SM-009",
    "tag_raw": "motor_current",
    "asset_raw": "FAN-01",
    "received_at": "2026-08-22T09:07:02",
    "value": 14,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:07:00"
  },
  {
    "sample_no": "SM-010",
    "tag_raw": "flow_rate",
    "asset_raw": "PUMP-02",
    "received_at": "2026-08-22T09:08:00",
    "value": 102,
    "quality_raw": "GOOD",
    "prev_received_at": null
  },
  {
    "sample_no": "SM-011",
    "tag_raw": "oil_level",
    "asset_raw": "PUMP-02",
    "received_at": "2026-08-22T09:09:00",
    "value": 55,
    "quality_raw": "GOOD",
    "prev_received_at": "2026-08-22T09:08:55"
  },
  {
    "sample_no": "SM-012",
    "tag_raw": "vib_rms",
    "asset_raw": "FAN-01",
    "received_at": "2026-08-22T09:10:00",
    "value": 1.9,
    "quality_raw": null,
    "prev_received_at": "2026-08-22T09:09:59"
  }
]