- possible data types are: 'json', 'string', 'hex', 'uint8', 'uint16', 'uint32', 'uint64', 'int8', 'int16', 'int32', 'int64', 'float', 'double' - default is 'json'
- possible data types are: 'json', 'string', 'hex', 'uint8', 'uint16', 'uint32', 'uint64', 'int8', 'int16', 'int32', 'int64', 'float', 'double' - default is 'json'