@JsonProperty("r")
  @Override
  public BigInteger r() {
    return signature.getR();
  }
Create code delegation.

@param chainId can be either the current chain id or zero
@param address the address from which the code will be set into the EOA account
@param nonce the nonce
@param v the recovery id
@param r the r value of the signature
@param s the s value of the signature
@return CodeDelegation
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/CodeDelegation.java