Changes to Sends a relay to the servicer to receive a response. The payload is the serialized form of one of the supported formats in a protobuf.

the payload/id request property format changed from no format to byte

added the new required request property payload/jsonrpc

removed the request property payload/data

removed the request property payload/path

added the new optional request property payload/id

added the new optional request property payload/parameters

the request property payload/headers became optional

endpoint added

api path removed without deprecation