{"method":"session/update","params":{"update":{"sessionUpdate":"user_message_chunk","content":{"type":"text","text":"Question"}}}}
{"method":"_x.ai/session/update","params":{"update":{"sessionUpdate":"agent_message_chunk","content":[{"type":"text","text":"Answer"},{"type":"image"}]}}}
{"method":"session/update","params":{"update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Hidden"}}}}
{"type":"text","text":"Not an ACP update"}