curl --request GET \
  --url https://api.hubapi.com/conversations/v3/conversations/threads/{threadId} \
  --header 'Authorization: Bearer <token>'

{
  "associatedContactId": "<string>",
  "threadAssociations": {
    "associatedTicketId": "<string>"
  },
  "assignedTo": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "archived": true,
  "originalChannelId": "<string>",
  "latestMessageTimestamp": "2023-11-07T05:31:56Z",
  "latestMessageSentTimestamp": "2023-11-07T05:31:56Z",
  "originalChannelAccountId": "<string>",
  "id": "<string>",
  "closedAt": "2023-11-07T05:31:56Z",
  "spam": true,
  "inboxId": "<string>",
  "status": "OPEN",
  "latestMessageReceivedTimestamp": "2023-11-07T05:31:56Z"
}