Mongo admin database credentials don't work in other databases on server using NODE-RED modules

I am trying to connect on mongodb database using NODE-RED mongodb2 module. I use connection string that looks like mongodb://youruser:yourpassword@host1.yourmongoprovider.com:27017,host2.yourmongoprovider.com:27017/yourdb?ssl=true. as it is said on https://www.npmjs.com/package/node-red-contrib-mongodb2. I, as an admin user don't have credentials to work with all databases, except admin database. When i try to write something in some other database, except admin database, using mongodb2 node, i get an answer Mongo error: authentication failed, i don't know what could be a problem.

via Душан Мијаиловић