{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950828,-0.309718,0.000000,0.000000,0.173060,-0.531292,0.829324,0.000000,-0.256316,0.786885,0.561350,0.000000,-1636546.154287,5024164.698786,3560153.968698,1],    "boundingVolume": {    "region": [1.885618,0.595908,1.885767,0.596124,0.000000,8.817076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13.b3dm"}}}