Invalid json-ld syntax in EXAMPLE 29

[riannella]

The json-ld instance presented in EXAMPLE 29 in section https://www.w3.org/TR/odrl-model/#composition-compact is invalid.
There is a trailing ',' (comma) after the second "action: : "play".
This was checked using json-lint and rdf-converter.
The former reported

Invalid JSON!
Error: Parse error on line 16:
...n": "play", }]}
----------------------^
Expecting 'STRING', got '}'

From @ksridhar

[riannella]

Summary: In Section 2.7.1 the json-ld instance presented in EXAMPLE 29 is invalid.
There is a trailing ',' (comma) after the second "action" : "play".