KNOW ALL PERSONS BY THESE PRESENTS that THE GOLDMAN SACHS GROUP,
INC. (the "Company") does hereby make, constitute and appoint
each of Jamison Yardley and Nathan R. Burby, acting
individually, its true and lawful attorney, to execute and
deliver in its name and on its behalf whether the Company is
acting individually or as representative of others, any and all
filings required to be made by the Company under the Securities
Exchange Act of 1934, (as amended, the "Act"), with respect to
securities which may be deemed to be beneficially owned by the
Company under the Act, giving and granting unto each said
attorney-in-fact power and authority to act in the premises as
fully and to all intents and purposes as the Company might or
could do if personally present by one of its authorized
signatories, hereby ratifying and confirming all that said
attorney-in-fact shall lawfully do or cause to be done by virtue
hereof.

THIS POWER OF ATTORNEY shall remain in full force and effect
until the earlier of (i)
November 3, 2022 and (ii) such time that it is revoked in writing
by the Company; provided that in the event the attorney-in-fact
ceases to be an employee of the Company or its affiliates or
ceases to perform the function in connection with which he/she
was appointed attorney-in-fact prior to such time, this Power of
Attorney shall cease to have effect in relation to such
attorney-in-fact upon such cessation but shall continue in full
force and effect in relation to any remaining attorneys-in-fact.
The Company has the unrestricted right unilaterally to revoke
this Power of Attorney.

This Power of Attorney shall be governed by, and construed in
accordance with, the laws of the State of New York, without
regard to rules of conflicts of law.

IN WITNESS WHEREOF, the undersigned has duly subscribed these
presents as of November 8, 2019.


THE GOLDMAN SACHS GROUP, INC.

/s/ Karen P. Seymour
Name: Karen P. Seymour
Title: Executive Vice President, General Counsel and Secretary