curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=solana-devnet \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "getSignaturesForAddress",
    "params": [
      "Vote111111111111111111111111111111111111111",
      {
        "limit": 1
      }
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "signature": "5h6xBEauJ3PK6SWCZ1PGjBvj8vDdWG3KpwATGy1ARAXFSDwt8GFXM7W5Ncn16wmqokgpiKRLuS83KUxyZyv2sUYv",
      "slot": 114,
      "err": null,
      "memo": null,
      "blockTime": null,
      "confirmationStatus": "finalized"
    }
  ]
}