@Override
  public String toString() {
    return new StringJoiner(", ", RoundChangePayload.class.getSimpleName() + "[", "]")
        .add("roundChangeIdentifier=" + roundChangeIdentifier)
        .add("preparedCertificate=" + preparedCertificate)
        .toString();
  }
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