Adobe Sign; update list of data centre shards for the Authentication URL dropdown

The list of data centre shards for the Adobe Sign Authentication URL dropdown has been updated to include new data centres.

The list now inlcudes:

• https://secure.au1.echosign.com/public/oauth/v2
• https://secure.eu1.echosign.com/public/oauth/v2
• https://secure.eu2.echosign.com/public/oauth/v2
• https://secure.in1.echosign.com/public/oauth/v2
• https://secure.jp1.echosign.com/public/oauth/v2
• https://secure.na1.echosign.com/public/oauth/v2
• https://secure.na2.echosign.com/public/oauth/v2
• https://secure.na3.echosign.com/public/oauth/v2
• https://secure.na4.echosign.com/public/oauth/v2
• https://secure.sg1.echosign.com/public/oauth/v2

For more information see https://helpx.adobe.com/sign/using/adobesign-data-centers.html.