GeoJSON data to database

src/mapmarkers/mapmarker.dto.ts

-import { IsString, IsDateString } from 'class-validator';
-import { Timestamp } from 'typeorm';
+import { IsString, IsJSON } from 'class-validator';
 
 export class MapMarkerDTO {
     @IsString()
@@ -10,4 +9,6 @@ export class MapMarkerDTO {
     longitude: string;
     @IsString()
     timestamp: string;    
+    @IsJSON()
+    features: JSON;
 }
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src/mapmarkers/mapmarker.entity.ts

@@ -8,6 +8,7 @@ export class MapMarkerEntity {
     @Column({type: 'text'}) latitude: string;
     @Column({type: 'text'}) longitude: string;
     @Column({type: 'timestamp'}) timestamp: Timestamp;
+    @Column({type: 'json', nullable: true}) features: JSON;
     @ManyToOne(type => PersonEntity, player => player.markers)
     player: PersonEntity;
 }
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