Curl syntax check

Is this curl POST syntax correct to change the Name of the administrator?  I keep getting 404 not founds

curl -X POST -u <user>:<password> 127.0.0.1:5000/redfish/v1/SessionService/Administrator1 -d '{"UserName"="Admin"}'

and is this a good set of python modules:

(venv) [[email protected] python-redfish]$ pip list

Package Version

------------------- -----------

aniso8601 9.0.1

beautifulsoup4 4.11.1

bs4 0.0.1

certifi 2022.6.15

charset-normalizer 2.0.12

click 8.0.4

colorama 0.4.5

composition 8!6.75309

dataclasses 0.8

decorator 5.1.1

docopt 0.6.2

Flask 2.0.3

Flask-RESTful 0.3.9

forbiddenfruit 0.1.4

formats 0.1.1

future 0.18.2

httpretty 1.1.4

idna 3.3

importlib-metadata 4.8.3

itsdangerous 2.0.1

Jinja2 3.0.3

jsonpatch 1.32

jsonpath-rw 1.4.0

jsonpointer 2.3

lxml 4.9.0

MarkupSafe 2.0.1

pbr 5.9.0

pip 21.3.1

ply 3.11

pytz 2022.1

PyYAML 6.0

redfish 3.1.6

requests 2.27.1

requests-toolbelt 0.9.1

requests-unixsocket 0.3.0

setuptools 39.2.0

simplejson 3.17.6

six 1.16.0

soupsieve 2.3.2.post1

strgen 1.3.1

tortilla 0.5.0

typing_extensions 4.1.1

urllib3 1.26.9

Werkzeug 2.0.3

zipp 3.6.0