Click command on a play button in a flash player does not start the playback

I am using UI.Vision to automate the action of opening a flash player, finding the play button and clicking it

The macro successfully opens the player, finds the button and clicks it (i.e. the button changes from the “stopped” state to the “playing” state). But no sound is heard and the stream does not play

If I then manually toggle the button back to “stopped” and then back to “play”, the stream plays successfully.

Edit: Added sample json

These are my commands:

{
“Name”: “StartBBCRadio4”,
“CreationDate”: “2019-11-10”,
“Commands”: [
{
“Command”: “open”,
“Target”: “https://www.bbc.co.uk/sounds/player/bbc_radio_fourfm”,
“Value”: “”
},
{
“Command”: “waitForPageToLoad”,
“Target”: “https://www.bbc.co.uk/sounds/player/bbc_radio_fourfm”,
“Value”: “5000”
},
{
“Command”: “pause”,
“Target”: “5000”,
“Value”: “”
},
{
“Command”: “click”,
“Target”: “xpath=//*[@id=“play”]/span[1]”,
“Value”: “”
}
]
}