{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897914,-0.440172,0.000000,0.000000,0.282511,-0.576300,0.766854,0.000000,-0.336611,0.686659,0.644354,0.000000,-2149942.951882,4385704.344114,4087951.592611,1],    "boundingVolume": {    "region": [2.026523,0.700144,2.026650,0.700213,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883514.b3dm"}}}