{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948715,-0.316131,0.000000,0.000000,0.176419,-0.529436,0.829803,0.000000,-0.261776,0.785595,0.560638,0.000000,-1671404.231297,5015909.226787,3555627.946538,1],    "boundingVolume": {    "region": [1.892397,0.595044,1.892493,0.595267,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1178938.b3dm"}}}