{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949615,-0.313420,0.000000,0.000000,0.174920,-0.529980,0.829774,0.000000,-0.259522,0.786311,0.560681,0.000000,-1657008.719991,5020484.833719,3555906.125536,1],    "boundingVolume": {    "region": [1.889508,0.595076,1.889670,0.595341,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369272.b3dm"}}}