Input a file with names and attributes, creating a taskId.

Upload a Comma-Separated List file (.csv / UTF-8 encoding) with a list of names and attributes and receive a `taskId`. The taskId is then used for reference in the */entity-task-status* and */entity-decisions* endpoints to receive results once the task is successful.This is the first step in the overall "Bulk" workflow. Use the /entity-task-status endpoint to check the status. A universeId must be included in request. If you do not have a universe created, reference the `/universe`...