@JsonIgnore
    @CanIgnoreReturnValue
    public HttpExecutionRequest body(final Object body) {
        return withEntity(FunctionUtils.doUnchecked(
            () -> MAPPER.writerWithDefaultPrettyPrinter().writeValueAsString(body)));
    }
Convert this record into JSON.

@return the string
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/http/HttpExecutionRequest.java