{"contentBlockDelta":{"contentBlockIndex":0,"delta":{"text":"Calling a tool first."}}}
{"contentBlockStart":{"contentBlockIndex":1,"start":{"toolUse":{"toolUseId":"tool-1","name":"get-weather"}}}}
{"contentBlockDelta":{"contentBlockIndex":1,"delta":{"toolUse":{"input":"{\"location\":\"SF\"}"}}}}
{"contentBlockStop":{"contentBlockIndex":1}}
{"contentBlockDelta":{"contentBlockIndex":2,"delta":{"text":"Now JSON."}}}
{"contentBlockStart":{"contentBlockIndex":3,"start":{"toolUse":{"toolUseId":"json-tool-id","name":"json"}}}}
{"contentBlockDelta":{"contentBlockIndex":3,"delta":{"toolUse":{"input":"{\"result\":\"data\"}"}}}}
{"contentBlockStop":{"contentBlockIndex":3}}
{"messageStop":{"stopReason":"tool_use"}}
