i am using
package com.fasterxml.jackson.annotation;
@Data
@Builder
@ToString
@NoArgsConstructor
@AllArgsConstructor
public class CBDocument implements Serializable {
private String id;
@JsonProperty("METADATA")
@JsonAlias({"METADATA"})
private JsonObject metadata;
@JsonProperty("PAYLOAD")
@JsonAlias({"PAYLOAD"})
private JsonObject payload;
}