{
  "v": 1,
  "sid": "6f1c2a9e0b7d4c3a8e5f1d2c3b4a5968",
  "sn": 6,
  "ts_ms": 1790000000210,
  "event": "present",
  "cid": "aaf90792d6ff5318e5f306fbb000dfcbe73637e244aad1a2eff6dae537cd6b5f",
  "st": "v",
  "sf": "o",
  "object": null,
  "present": {
    "unit": 0,
    "layers": 2,
    "first": false,
    "late_ms": 10,
    "decode_us": 1400
  },
  "switch": null,
  "layer_change": null,
  "capable": null,
  "cohort": null,
  "metrics": null,
  "claim": null
}