Implemented according to the Streamable HTTP Transport specification. Sends a JSON-RPC 2.0 message to the server.
jsonrpc, id, method, and optional params.Notes:
Accept header must include both 'application/json' and 'text/event-stream' media types.
application/json, text/event-stream A JSON-RPC 2.0 request, notification, or response object.
Successful JSON-RPC response.
The response is of type object.