Parameter types

if > 0 then it is followed by one value, else (<0) followed by count (see websocket lentgh rules) & followed by values

 3  filename

 4  int8
 5  uint8
 6  char
 7  hash
 
 8  int16
 9  uint16
 
 16  int32 
 17  uint32
 18  float32
  
 32  int64 
 33  uint64
 34  float64