@JsonTypeInfo(
        use = JsonTypeInfo.Id.NAME,
        include = JsonTypeInfo.As.EXISTING_PROPERTY,
        property = "type",
        visible = true
)
@JsonSubTypes({
        @JsonSubTypes.Type(value = LongDto.class, names = {"Price", "Duration"}),
        @JsonSubTypes.Type(value = BoolDto.class, names = {"Official", "Signer"}),
})
static class AbstractDto {
    public String type;
}

static class LongDto extends AbstractDto {
    public long value;

    @Override
    public String toString() {
        return "LongDto{" +
                "type='" + type + '\'' +
                ", value=" + value +
                '}';
    }
}

static class BoolDto extends AbstractDto {
    public boolean value;

    @Override public String toString() {
        return "BoolDto{" +
                "type='" + type + '\'' +
                ", value=" + value +
                '}';
    }
}

@Test
void test() throws JsonProcessingException {
    LongDto priceDto = new LongDto();
    priceDto.type = "Price";
    priceDto.value = 100;
    LongDto durationDto = new LongDto();
    durationDto.type = "Duration";
    durationDto.value = 2;

    BoolDto boolDto = new BoolDto();
    boolDto.type = "Official";
    boolDto.value = true;

    ObjectMapper objectMapper = new ObjectMapper();
    String jsonString = objectMapper.writeValueAsString(List.of(priceDto, boolDto, durationDto));
    System.out.println(jsonString); // [{"type":"Price","value":100},{"type":"Official","value":true},{"type":"Duration","value":2}]
    System.out.println(objectMapper.readValue(jsonString, new TypeReference<List<AbstractDto>>() { }));  // [LongDto{type='Price', value=100}, BoolDto{type='Official', value=true}, LongDto{type='Duration', value=2}]
}