{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944276,-0.329155,0.000000,0.000000,0.184015,-0.527898,0.829133,0.000000,-0.272339,0.781281,0.561633,0.000000,-1738851.460884,4988387.887964,3561952.563019,1],    "boundingVolume": {    "region": [1.906148,0.596320,1.906263,0.596395,0.000000,8.683455]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191675.b3dm"}}}