{"contentBlockDelta":{"contentBlockIndex":0,"delta":{"text":"Let me generate"}}}
{"contentBlockDelta":{"contentBlockIndex":0,"delta":{"text":" that JSON for you."}}}
{"contentBlockStart":{"contentBlockIndex":1,"start":{"toolUse":{"toolUseId":"json-tool-id","name":"json"}}}}
{"contentBlockDelta":{"contentBlockIndex":1,"delta":{"toolUse":{"input":"{\"value\":\"test\"}"}}}}
{"contentBlockStop":{"contentBlockIndex":1}}
{"messageStop":{"stopReason":"tool_use"}}
