{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896164,-0.443722,0.000000,0.000000,0.288192,-0.582048,0.760372,0.000000,-0.336436,0.679483,0.652008,0.000000,-2148892.604398,4340014.214871,4136646.415429,1],    "boundingVolume": {    "region": [2.030455,0.710177,2.030634,0.710282,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784949.b3dm"}}}