event: message_start
data: {"type":"message_start","message":{"id":"msg_018PHAe4Ce6E4FHzJWTzcoXH","type":"message","role":"assistant","model":"claude-3-5-haiku-20241022","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":681,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":1,"service_tier":"standard"}}    }

event: content_block_start
data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}              }

event: ping
data: {"type": "ping"}

event: content_block_delta
data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"none"}  }

event: content_block_stop
data: {"type":"content_block_stop","index":0          }

event: message_delta
data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"output_tokens":4}              }

event: message_stop
data: {"type":"message_stop"     } 