curl --request GET \
  --url https://nexus.gerowallet.io/api/btc/txs/{txid} \
  --header 'Authorization: Bearer <token>'

{
  "txid": "<string>",
  "hash": "<string>",
  "version": 123,
  "locktime": 123,
  "size": 123,
  "vsize": 123,
  "weight": 123,
  "blockhash": "<string>",
  "blockheight": 123,
  "blocktime": 123,
  "confirmations": 123,
  "vin": "<unknown>",
  "vout": "<unknown>",
  "hex": "<string>"
}