{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950283,-0.311386,0.000000,0.000000,0.173708,-0.530119,0.829939,0.000000,-0.257889,0.787023,0.560435,0.000000,-1646586.399006,5025025.918319,3554343.381569,1],    "boundingVolume": {    "region": [1.887398,0.594853,1.887498,0.594970,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452318.b3dm"}}}