curl --location --request POST 'https://api.302.ai/v1beta/models/veo-3.1-fast-generate-preview:predictLongRunning' \
--header 'x-goog-api-key: ' \
--header 'Content-Type: application/json' \
--data-raw '{
"instances": [
{
"prompt": "a cat "
}
]
}'{
"name": "models/veo-3.1-fast-generate-preview/operations/xxxx"
}