Some json format options

Option 2

{
  "SOVIETSECRET": {
    "exercises": [
      "hangboard",
      "offset pullups",
      "push ups",
      "100 ab wheel reps"
    ]
  },
  "MOSTLYHGH": {
    "exercises": [
      "burpees",
      "frenchies",
      "curls",
      "finger curls"
    ]
  },
  "MUTANTARMS": {
    "exercises": [
      "curls",
      "more curls",
      "push ups",
      "offset pull ups"
    ]
  },
  "MUTANTFINGERS": {
    "exercises": [
      "hangboard",
      "finger curls",
      "rice bowl",
      "finger curls again!"
    ]
  }
}

Option1

{
  "SOVIETSECRET": [ 
    "hangboard",
    "offset pullups",
    "push ups",
    "100 ab wheel reps"
  ],
  "MOSTLYHGH": [ 
    "burpees",
    "frenchies",
    "curls",
    "finger curls"
  ],
  "MUTANTARMS": [
    "curls",
    "more curls",
    "push ups",
    "offset pull ups"
  ],
  "MUTANTFINGERS": [
    "hangboard",
    "finger curls",
    "rice bowl",
    "finger curls again!"
  ]
}