5jqzgrgfgpntdctbsqaubw1ftrapdkgut2zhq3qzdfa8tgqewzn -

5jqzgrgfgpntdctbsqaubw1ftrapdkgut2zhq3qzdfa8tgqewzn is almost certainly a using Base36 or a similar scheme.

If you are asking to "develop an text" in the sense of using this key in a programming environment (such as Python or JavaScript), you would typically use a library like bitcoinlib or bitcore-lib to sign transactions or derive the public address. 5jqzgrgfgpntdctbsqaubw1ftrapdkgut2zhq3qzdfa8tgqewzn