{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944267,-0.329182,0.000000,0.000000,0.184002,-0.527814,0.829190,0.000000,-0.272379,0.781327,0.561549,0.000000,-1739107.169398,4988679.017894,3561423.520592,1],    "boundingVolume": {    "region": [1.906176,0.596220,1.906290,0.596295,0.000000,8.716853]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_851623.b3dm"}}}