curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=50 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_newFilter",
    "params": [
      {
        "fromBlock": "0x1",
        "toBlock": "0x2",
        "address": "0x8888f1f195afa192cfee860698584c030f4c9db1",
        "topics": [
          "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          null,
          [
            "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            "0x000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc"
          ]
        ]
      }
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1"
}