Create an agreement from an uploaded document and send for signature multi signers

I am using Array variable, Compose signers action in power automate to get email addresse of 3 signers.  I use this compose output for recipient of adobe sign. But error:
{
"code": "INVALID_EMAIL",
"message": "Invalid email: ["xxx@gmail.com","yyy@gmail.com"]"
}
The output of compose action  as of below: