curl --request POST \
  --url 'https://rpc-mainnet.solanatracker.io/?api_key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getLookupTablesByAccount",
  "params": [
    {
      "account": "SomeAccountPubkey111111111111111111111111111",
      "owner": null,
      "limit": 100,
      "cursor": null
    }
  ]
}
'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "lookupTables": [
      {
        "pubkey": "LUTPubkey1111111111111111111111111111111",
        "authority": "9aoUCn5J4sxhvYERCVwVnakPQxyXTHQVXe86CUJYxY8p",
        "deactivationSlot": 18446744073709552000,
        "addressCount": 256,
        "addresses": [
          "SomeAccountPubkey111111111111111111111111111"
        ],
        "mints": [
          "MintPubkey111111111111111111111111111111111"
        ],
        "slot": 423867852,
        "addressIndex": 42,
        "matchedAccounts": [
          "SomeAccountPubkey111111111111111111111111111"
        ],
        "matchedAddressIndices": [
          42
        ],
        "estimatedBytesSaved": 31
      }
    ],
    "nextCursor": null,
    "hasMore": false,
    "count": 1
  }
}