$ vroom -i example_2.json | jq .routes[].steps[]
{
  "type": "start",
  "arrival": 0,
  "duration": 0
}
{
  "type": "job",
  "id": 1414,
  "service": 0,
  "waiting_time": 0,
  "job": 1414,
  "arrival": 2104,
  "duration": 2104
}
{
  "type": "job",
  "id": 1515,
  "service": 0,
  "waiting_time": 0,
  "job": 1515,
  "arrival": 4359,
  "duration": 4359
}
{
  "type": "end",
  "arrival": 5461,
  "duration": 5461
}

$ cat example_2_sol.json |  jq .routes[].steps[]
{
  "type": "start",
  "arrival": 0,
  "duration": 0
}
{
  "type": "job",
  "job": 1414,
  "service": 0,
  "waiting_time": 0,
  "arrival": 2104,
  "duration": 2104
}
{
  "type": "job",
  "job": 1515,
  "service": 0,
  "waiting_time": 0,
  "arrival": 4359,
  "duration": 4359
}
{
  "type": "end",
  "arrival": 5461,
  "duration": 5461
}