abi/
  Counter.json
  Treasury.json
deployments/
  teqoin.json

{
  "chainId": 420377,
  "contracts": {
    "Counter": {
      "address": "0xYourContractAddress",
      "abiFile": "abi/Counter.json"
    }
  }
}

cat artifacts/contracts/Counter.sol/Counter.json

cat out/Counter.sol/Counter.json

import { ethers } from 'ethers';
import counterAbi from './abi/Counter.json';

const provider = new ethers.JsonRpcProvider('https://rpc.teqoin.io');

const counter = new ethers.Contract(
  '0xYourContractAddress',
  counterAbi,
  provider
);