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{"type":"content_block_delta","index":0,"delta":{"type":"input_json_delta","partial_json":"\"hello wo"}}
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{"type":"content_block_delta","index":2,"delta":{"type":"text_delta","text":"The echo tool responde"}}
{"type":"content_block_delta","index":2,"delta":{"type":"text_delta","text":"d back with: **hello world**\n\nIt simply echoed back"}}
{"type":"content_block_delta","index":2,"delta":{"type":"text_delta","text":" the exact message that was sent to it."}}
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