I got this JSON and I want to iterate over all inner fields inside machine: machine.id
(inner machine objects, one by one and get the id)
{
"_id" : ObjectId("60b72eb607d158d886626648"),
"accountId" : "10304",
"dayKey" : 20210602,
"twin" : "c9750367-36fe-4e1f-a9bb-54f44c1cd8d8",
"ttl" : ISODate("2021-06-02T07:09:37.515Z"),
"machines" : {
"dff2a2c3-6765-425a-8cb8-26b3f9c6214d-machine-54652" : {
"ioSize" : [
14.7014119238827,
14.1548860858939,
14.5505302898045,
15.554507463338,
14.4255739350559,
14.5063722067039,
15.459819090433,
14.3030780813547,
14.1884056389665,
14.4948280377095,
13.3577492143855, a
14.7608731232542,
15.9873265101257,
13.4887886260475,
15.7738139402933,
15.9362888442737,
14.7705187238128
],
"id" : "dff2a2c3-6765-425a-8cb8-26b3f9c6214d.machine-54652"
},
"dff2a2c3-6765-425a-8cb8-26b3f9c6214d-machine-35562" : {
"ioSize" : [
37.7397106319832,
38.9988270338687,
38.5746933921089,
38.0871104661313,
39.2368627793296,
38.5768210981145,
40.0075015275838,
38.4587879713687,
38.7158966916899,
38.8449393331006,
38.9401787273045,
38.6076837465084,
39.5514468400838,
46.7157111993715,
48.3111469972067,
38.5859375,
38.9902398306564
],
"id" : "dff2a2c3-6765-425a-8cb8-26b3f9c6214d.machine-35562"
}
}
}