SSML Audio not accepting

[yrux]

https://dm0qx8t0i9gc9.cloudfront.net/previews/audio/BsTwCwBHBjzwub4i4/audioblocks-hissing-whoosh-to-deep-hit-3-film-trailer-cinematic-film-trailer-cinematic_rWUDBOmtP8_NWM.mp3

{
"voice": "Jessica",
"ssml": [
"<audio src="https://dm0qx8t0i9gc9.cloudfront.net/previews/audio/BsTwCwBHBjzwub4i4/audioblocks-hissing-whoosh-to-deep-hit-3-film-trailer-cinematic-film-trailer-cinematic_rWUDBOmtP8_NWM.mp3">Rep. Nancy Mace, who voted against impeaching Trump, says there's 'a lot of pressure' on Republicans to impeach Biden: 'I think that is something that some folks are considering'<break time="500ms"/>

Rep. Nancy Mace says there's pressure on Republicans to vote to impeach President Biden if the party wins the midterms and gains control of the House.

Mace was on NBC's Meet The Press on Sunday, speaking with host Chuck Todd who asked: "Do you expect an impeachment vote against President Biden if Republicans take over the House?"

"
]
}

this is the postman request i am sending, i want to play an audio first then want AI to read out the paragraph, right now it's not doing that. it returns

"errorMessage": "Something went wrong with audio conversion! (Code: ERR_PROCESSING)",

am i doing something wrong? does playht allows this? what i am trying to achieve?