The text you provided appears to be a commonly found in large datasets, often related to user activity or application telemetry. Breakdown of the Identifier
: This is likely a unique Hexadecimal ID (64-bit), which could represent a specific user, device, or anonymized account. 83e2afe231992275-2017-02-13-13-32-28-000000_app...
This specific format is frequently seen in or competition data (such as those on Kaggle or GitHub) used for predicting user behavior, ad clicks, or app performance. It serves as a "Request ID" or "Log ID" to track a specific event in time. The text you provided appears to be a
If you are trying to find the this belongs to, could you tell me: which could represent a specific user
: This is a Timestamp indicating February 13, 2017, at 13:32:28 (UTC or local time).