Add payment request field

PUT {{url}}/document/{{document_id}}

Request Body

{"fields"=>[{"x"=>358, "y"=>171, "width"=>177, "height"=>50, "type"=>"text", "page_number"=>0, "required"=>true, "role"=>"Signer 1", "custom_defined_option"=>false, "name"=>"signature1", "validator_id"=>"{{number_validator_id}}"}], "client_timestamp"=>"{{$timestamp}}"}

HEADERS