Webscraping Local web application, Trying to update the JSON object with Powershell - json

Question

I am working on a project. I have a JSON object that has been pulled from a web scrape. The web is a html version of something I am working on to see current movies and if it is added to my watchedlist for IMDB. :
{
"title": "The Gallows Act II",
"alternativeTitles": [],
"secondaryYearSourceId": 0,
"sortTitle": "gallows act ii",
"status": "released",
"overview": "When Ana Rue transfers to a prestigious
new acting school, she encounters a malevolent spirit after participating in a viral challenge.",
"inCinemas": "2019-10-25T05:00:00Z",
"physicalRelease": "2019-10-25T00:00:00Z",
"physicalReleaseNote": "",
"images": [
{
"coverType": "poster",
"url": "/MediaCover/54956/poster.jpg"
},
{
"coverType": "fanart",
"url": "/MediaCover/54956/fanart.jpg"
}
],
"website": "",
"year": 2019,
"studio": "Tremendum Pictures",
"profileId": 1,
"pathState": "dynamic",
"monitored": true,
"minimumAvailability": "inCinemas",
"isAvailable": true,
"runtime": 99,
"lastInfoSync": "2020-01-28T16:40:11.982967Z",
"cleanTitle": "thegallowsactii",
"imdbId": "tt7473716",
"tmdbId": 505060,
"titleSlug": "the-gallows-act-ii-505060",
"genres": [],
"tags": [],
"ratings": {
"votes": 12,
"value": 5.3
},
$address="http://localhost:PORT"
$movie_id = ""
#$movie_title = Read-Host "Movie Title"
$params = #{"name"="RescanMovie";"movieId"="$movie_id";} | ConvertTo-Json
$apikey = 'APIKEY FOR APPLICATION'
$converted = Invoke-WebRequest -URI "$address/api/movie/" -Method GET/(10) -UseBasicParsing -Header #{"X-Api-Key" = $apikey}
$converted
#$convertto = Invoke-WebRequest -URI "$address/api/movie/" -Method PUT -UseBasicParsing -Header #{"X-Api-Key" = $apikey}
Now I pull this information with API pull : Invoke-Webrequest.
I get the objects.
I want to change the "Monitored" if it is on the list I want to change it to false or true respectively.
I break the object down to initial search "Monitored" is -eq true.
It pulls them in.
I want to pull the JSON information for all fields" update the Monitored status to true or false if its found in the list.
-Then pass all fields back to the json object and updated it.
However. I am not sure how to perform the POST command in powershell to update the whole list passing it back.