message: __tx, not tx (upgrade in bitcoinlib-js)
diff: @@ -1138,7 +1138,7 @@ function makeTokenTransfer(recipientAddress: string, tokenType: string,
  const txB = bitcoinjs.TransactionBuilder.fromTransaction(tokenTransferTX, network.layer1)
  const signingTxB = fundTransaction(txB, senderAddress, utxos, feeRate, 0)
  let signingPromise = Promise.resolve()
  - for (let i = 0; i < signingTxB.tx.ins.length; i++) {
  + for (let i = 0; i < signingTxB.__tx.ins.length; i++) {
  signingPromise = signingPromise.then(
  () => senderKey.signTransaction(signingTxB, i))
  }
  