postgistest=# select ST_Transform('0103000020C90800000100000005000000000000008CAE264100000000BCA34641000000008CAE264100000000CDA3464100000000C2AE264100000000CDA3464100000040C3AE264100000000BCA34641000000008CAE264100000000BCA34641'::geometry,4326);
                                                                                            st_transform
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 0103000020E610000001000000050000004A5349305FCB51C01A21E402F53145406DA94A2E5FCB51C047DC8411F8314540755E168B5DCB51C09C8B2B0FF8314540670561835DCB51C0BEE47C00F53145404A5349305FCB51C01A21E402F5314540
(1 row)

Time: 0.364 ms
postgistest=# select ST_Transform('0103000020C90800000100000005000000000000008CAE264100000000BCA34641000000008CAE264100000000CDA3464100000000C2AE264100000000CDA3464100000040C3AE264100000000BCA34641000000008CAE264100000000BCA34641'::geometry,4326);
                                                                                            st_transform
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 0103000020E610000001000000050000004A5349305FCB51C01A21E402F53145406DA94A2E5FCB51C047DC8411F8314540755E168B5DCB51C09C8B2B0FF8314540670561835DCB51C0BEE47C00F53145404A5349305FCB51C01A21E402F5314540
(1 row)

Time: 0.355 ms
postgistest=# select ST_Transform('0103000020C90800000100000005000000000000008CAE264100000000BCA34641000000008CAE264100000000CDA3464100000000C2AE264100000000CDA3464100000040C3AE264100000000BCA34641000000008CAE264100000000BCA34641'::geometry,4326);
                                                                                            st_transform
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 0103000020E610000001000000050000004A5349305FCB51C01A21E402F53145406DA94A2E5FCB51C047DC8411F8314540755E168B5DCB51C09C8B2B0FF8314540670561835DCB51C0BEE47C00F53145404A5349305FCB51C01A21E402F5314540
(1 row)

Time: 0.378 ms
postgistest=# \dx
                                         List of installed extensions
      Name       | Version |   Schema   |                             Description
-----------------+---------+------------+---------------------------------------------------------------------
 plpgsql         | 1.0     | pg_catalog | PL/pgSQL procedural language
 postgis         | 2.4.6   | postgis    | PostGIS geometry, geography, and raster spatial types and functions
(12 rows)

postgistest=# select version();
                                                 version
----------------------------------------------------------------------------------------------------------
 PostgreSQL 11.10 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39), 64-bit
(1 row)