Bit - boolean value, 1 bit; transferred as JSON boolean (true, false)
Int8, Int16, Int32, Int64 - signed integer values, 8 .. 64 bit; transferred as JSON integer
UInt8, UInt16, UInt32, UInt64 - unsigned integer values, 8 .. 64 bit; transferred as JSON integer
Float32, Float64 - floating poing values, 32 .. 64 bit; transferred as JSON number
String - text value; transferred as JSON string
Timestamp - timestamp value; transferred as JSON string in ISO8601 format
Structure - structured value; transferred as JSON object
Enumeration - enumerated value; transferred as JSON number, 32 bit unsigned