{
  "schema_version": "call-execute.v0.4-proposal",
  "dispatcher_id": "11111111-1111-4111-8111-111111111111",
  "tenant_id": "33333333-3333-4333-8333-333333333333",
  "tenant_key": "tenant-A",
  "trace_id": "44444444-4444-4444-8444-444444444444",
  "command_id": "77777777-7777-4777-8777-777777777777",
  "issued_at": "2026-09-20T01:00:00Z",
  "command_type": "call.execute",
  "payload": {"task_id": "a01", "callee": "15003164745"}
}