{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950085,-0.311991,0.000000,0.000000,0.174574,-0.531617,0.828799,0.000000,-0.258032,0.785768,0.562129,0.000000,-1647508.865936,5017042.205657,3565105.159786,1],    "boundingVolume": {    "region": [1.888015,0.596853,1.888154,0.597062,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1332159.b3dm"}}}