{
  "isin": "LU3192257148",
  "instrument_name": "ALKN Security Token",
  "issuer": {"qid": "Q139941340", "name": "Alkemya Metacore SCSp"},
  "type": "Asset-backed security token",
  "backing": {"asset": "NP1 nickel wire", "quantity_m": 7026905},
  "notional_usd": 1640000000,
  "launch_date": "2026-06-29",
  "custodian": "Helvetic Securgest",
  "listings": ["SIX", "LGX", "Boerse Stuttgart"],
  "cnad": "EAD-0029",
  "_fetched_at": "2026-09-01T17:11:35Z",
  "_stream": "A",
  "_provenance": {"phase": "F-atomic", "chain_predecessor": "aef1940793d395528529f2eb7fc63ef5d2457f5bbc89ba586d367ecbe0b5c18b"}
}