curl --request GET \
  --url https://api.vollna.com/v1/proposals/{id} \
  --header 'X-API-TOKEN: <api-key>'

{
  "data": {
    "id": 1,
    "applicationUid": "1234567890123456789",
    "submittedAt": "2023-11-07T05:31:56Z",
    "coverLetter": "<string>",
    "answers": [
      {
        "question": "<string>",
        "answer": "<string>"
      }
    ],
    "jobDetails": {
      "title": "<string>",
      "postedAt": "2023-11-07T05:31:56Z"
    },
    "freelancer": {
      "id": 1,
      "fullName": "John Doe"
    },
    "businessManager": {
      "id": 2,
      "fullName": "Jane Doe"
    },
    "upworkProfile": {
      "id": 1,
      "label": "ACME, Inc.",
      "type": "agency"
    },
    "upworkOrganization": {
      "id": 1,
      "label": "ACME, Inc.",
      "type": "agency"
    },
    "connects": 16,
    "boost": 8,
    "terms": {
      "fixedPrice": 1000,
      "hourlyRate": 100,
      "increasePercent": 10,
      "increaseFrequency": 3
    },
    "isViewed": true,
    "isInterviewed": true,
    "isHired": true,
    "isWithdrawn": true,
    "isInvitation": true,
    "isArchived": true,
    "occupationUid": "<string>",
    "occupationTitle": "<string>",
    "submissionPosition": 3,
    "boostOutbid": true,
    "coverLetterVariant": "<string>",
    "biddingTemplate": {
      "id": 123,
      "name": "<string>"
    }
  }
}