package RpcMessage;
message Request {
    enum Type {
        RT_REQ       = 1;
        RT_SIGNATURE = 2;
    };

    optional Type type = 1 [default = RT_REQ];
    optional fixed32 signature = 2 [default = 0];
    optional string instance = 3;
    optional string method = 4;
    optional bytes pbin = 5;
    optional string serverRouteAddr = 6;
}