{
  "envelope": {
    "action_id": "ACT-1853",
    "action_type": "quote_request",
    "tier": 2,
    "issued_at": "2026-05-16T20:06:01.249Z",
    "dispatcher": {
      "id": "usr_0421",
      "name": "R. Nowak",
      "clearance": "TIER 3"
    },
    "target": {
      "id": "CR-DE-09182"
    },
    "recipient": {
      "addr": "hochtief.bau.munich@signed.liftgrid.eu",
      "channel": "SIGNED EMAIL"
    },
    "sla_window": "48h",
    "requires_dual_approval": false
  },
  "payload": {
    "message_template": "quote_request_v2",
    "hmac_alg": "HMAC-SHA-256",
    "key_id": "lg-out-key-2026-A"
  }
}