All you need to create a bitcoin transaction is (3) things:
the transaction ID of the unspent output you want to spend,
its output position (a.k.a. vout) and;
the unspet outputs original value in satoshis.
After building the transaction it is not valid unless signed with the assoicated address' WIF private key. After signing, the transaction can be broadcast to the network.
Step one obtain UTXOs from address you wish to spend.
Manually obtain and enter transaction ids, v_out(aka n_out), and input values. Use the JSON template below.
Example with One Input:
Example with Two Inputs:
Step 2 - Build and Sign Transaction
Make sure you have the inputs in JSON format either by using the auto-fetch tool or be manually entering the data in a JSON format.
Paste the JSON formatted text in the appropiate signing tool.