{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944284,-0.329132,0.000000,0.000000,0.184005,-0.527913,0.829126,0.000000,-0.272317,0.781281,0.561644,0.000000,-1738712.797313,4988385.994593,3562022.432249,1],    "boundingVolume": {    "region": [1.906123,0.596334,1.906238,0.596408,0.000000,8.739720]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191771.b3dm"}}}