{
  "request": {
    "id": 406,
    "jsonrpc": "2.0",
    "method": "eth_newFilter",
    "params": [{
      "address": ["foo"]
    }]
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 406,
    "error" : {
      "code" : -32602,
      "message" : "Invalid filter params"
    }
  },
  "statusCode": 200
}