[
  {
    "fieldName": "PurchasePrice",
    "type": "TEXT_FIELD",
    "required": true,
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    "recipientIndex": 0
  },
  {
    "fieldName": "BuyerSign",
    "type": "SIGNATURE",
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    "recipientIndex": 0
  },
  {
    "fieldName": "SellerSign",
    "type": "SIGNATURE",
    "locations": [ { "pageNumber": 3, "rect": { "left": 420, "top": 375, "width": 120, "height": 32 } } ],
    "recipientIndex": 1
  }
]