5 Data encoding

5.4 OPC UA JSON

5.4.3 Decimal

Decimal values shall be encoded as a JSON object with the fields in Table 37.

Table 37 – JSON Object Definition for a Decimal

Name	Description
Scale	A JSON number with the scale applied to the Value.
Value	A JSON string with the Value encoded as a base-10 signed integer.(See the XML encoding of Integer values described in 5.3.1.3).

See 5.1.8 for a description of the Scale and Value fields.