curl --request POST \
  --url https://mainnet.helius-rpc.com/getCompressionSignaturesForOwner \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": "test-account",
  "jsonrpc": "2.0",
  "method": "getCompressionSignaturesForOwner",
  "params": {
    "cursor": "<string>",
    "limit": 1,
    "owner": "1111111AFmseVrdL9f9oyCzZefL9tG6UbvhMPRAGw"
  }
}
'

{
  "context": {
    "slot": 100
  },
  "value": {
    "cursor": "<string>",
    "items": [
      {
        "blockTime": 1714081554,
        "signature": "5J8H5sTvEhnGcB4R8K1n7mfoiWUD9RzPVGES7e3WxC7c",
        "slot": 100
      }
    ]
  }
}