{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893946,-0.448175,0.000000,0.000000,0.288818,-0.576086,0.764662,0.000000,-0.341745,0.681655,0.646960,0.000000,-2182753.594361,4353793.277333,4104529.333349,1],    "boundingVolume": {    "region": [2.035437,0.703509,2.035602,0.703672,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870402.b3dm"}}}