@Override
  public int hashCode() {
    return Objects.hash(payload);
  }
Read payload.

@param <T> the type parameter of Payload
@param rlpInput the rlp input
@param decoder the decoder
@return the signed data
consensus/common/src/main/java/org/hyperledger/besu/consensus/common/bft/messagewrappers/BftMessage.java