Is there anyway or any call we can use to retrieve the envelope ID from signing URL. 

An example of signing in urL is: https://demo.docusign.net/Signing/MTRedeem/v1/1946017d-21a5-428e-8912-4028c033b68f?slt=eyJ0eXAiOiJNVCIsImFsZyI6IlJTMjU2Iiwia2lkIjoiNjgxODVmZjEtNGU1MS00Y2U5LWFmMWMtNjg5ODEyMjAzMzE3In0.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.tIvqsHMqDQTSrTv4nQYoIgy5ov4iD8bf0NZEijaIs_SDov0oU8aLvOEiF-1rPItpyURTEh6LzrnU3E1Rl6ZpiJvnDQEpXQSDW-V0iRkeIpkXlr-eBn38XE-7d-zXh6T9zJGzcejrkdGes--tmL-v1LJD8AMH5NCiQi1qayFKFnvYkL6IDeWgJs4GctAgMzXJcxxoQoJRIRrYNE0t7xuvTq1v4zvG5_SCAPyEc6uWk8VSWyHYJA7WDqo8ax33q4g-_99EuRIij2zRnj9Zj_FkPrP3BOGDu6o5y7UzU9u1JTDHr9kd0G5wjM0b28-N7paS8NjdurtHNXI8bCf-6k9_lQ"

This link expires and we want to download this document within the code. Is there a way to do this without knowing the envelope ID, at this stage of the process, we only get the signing link.