{"contentBlockStart":{"contentBlockIndex":0,"start":{"toolUse":{"toolUseId":"json-tool-id","name":"json"}}}}
{"contentBlockDelta":{"contentBlockIndex":0,"delta":{"toolUse":{"input":"{\"value\":\"test\"}"}}}}
{"contentBlockStop":{"contentBlockIndex":0}}
{"messageStop":{"stopReason":"tool_use"}}
