{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950816,-0.309758,0.000000,0.000000,0.173146,-0.531479,0.829187,0.000000,-0.256306,0.786743,0.561553,0.000000,-1636484.028017,5023261.853147,3561447.572186,1],    "boundingVolume": {    "region": [1.885662,0.596152,1.885807,0.596372,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338910.b3dm"}}}