@Override
  public int hashCode() {
    return Objects.hash(roundChangeIdentifier, preparedCertificate);
  }
Read from rlp input and return round change payload.

@param rlpInput the rlp input
@return the round change payload
consensus/ibft/src/main/java/org/hyperledger/besu/consensus/ibft/payload/RoundChangePayload.java