Find the address for your Plugin node and add it to the Oracle contract.
In the Plugin Operator GUI for your node, find and copy the address at the bottom of the Keys page in the Account addresses section.
Copy this address and pass it in the “setFulfilmentPermission” method, with the Boolean value “true” like below (without quotes), and click "setFulFillmentPermission" to initiate the transaction
This address basically talks to Oracle contract.
You should see a new transaction is created and successfully