{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943919,-0.330176,0.000000,0.000000,0.184392,-0.527146,0.829528,0.000000,-0.273315,0.781362,0.561047,0.000000,-1745078.098083,4988890.087255,3558227.238234,1],    "boundingVolume": {    "region": [1.907239,0.595592,1.907334,0.595707,0.000000,8.618054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1273976.b3dm"}}}