SendRawTransactionConditional 설명

{
    "knownAccounts": [optional] A map of accounts with expected storage. The key is account address
                                If the value is hex string, it is the known storage root hash of that account.
                                If the value is an object, then each member is in the format of "slot": "value", which are explicit slot values within that account storage.
    "blockNumberMin": [optional] minimal block number for inclusion
    "blockNumberMax": [optional] maximum block number for inclusion
    "timestampMin": [optional] minimum block timestamp for inclusion
    "timestampMax": [optional] maximum block timestamp for inclusion
}