[
{
"type" : "variable",
"name": "S",
"id" : "v123"
"text_annotations": ["susceptible", "people that are susceptible"],
"dkg_annotations" : [["id123", "Term 1"], ["id456", "Term 2"]]
},
...
{
"type" : "equation",
"latex" : "\alphaS = \beta",
"id" : "e456",
"matches" : {"S":["v123"], ...}
},
...
]