getProgramAccounts

curl --request POST \
  --url https://mainnet.helius-rpc.com/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getProgramAccounts",
  "params": [
    "4Nd1mBQtrMJVYVfKf2PJy9NZUZdTAsp7D4xWLs4gDB4T"
  ]
}'

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": [
    {
      "pubkey": "CxELquR1gPP8wHe33gZ4QxqGB3sZ9RSwsJ2KshVewkFY",
      "account": {
        "lamports": 15298080,
        "owner": "4Nd1mBQtrMJVYVfKf2PJy9NZUZdTAsp7D4xWLs4gDB4T",
        "data": [
          "2R9jLfiAQ9bgdcw6h8s44439",
          "base58"
        ],
        "executable": false,
        "rentEpoch": 28,
        "space": 42
      }
    }
  ]
}