curl 'https://api-beta.mixpanel.com/import-events?'
-u 'API_SECRET'
-d data='JSON ENCODED INTO BASE64 HERE'
-d verbose=1
-d dataset_id=TESTDATA
-d dataset_version=1234567

httr::POST(url = importURL, encode="json", body = list(data=base64_enc(toJSON(storedData[[x]], auto_unbox = TRUE)), verbose=1, dataset_id=datasetID, dataset_version=versionID), httr::authenticate(user = apiSecret, password = "", type = "basic"))

postForm(uri = importURL, .params = list("data" = base64_enc(toJSON(storedData[[x]], auto_unbox = TRUE)), "dataset_id" = datasetID, "dataset_version" = versionID), .opts = curlOptions(username = apiSecret, password = ""))

e[1] "0"
attr(,"Content-Type")
"application/json"