{
  "settings": [],
  "presets": [{
    "name": "Section preset",
    "category": "Miscellaneous"
  }],
  "blocks" : {}
}

{
  "settings": [],
  "presets": [{
    "name": "Section preset",
    "category": "Miscellaneous"
  }],
  "blocks" : []
}

Fix blocks must be an array error
Fix blocks must be an array error
