{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943910,-0.330204,0.000000,0.000000,0.184502,-0.527409,0.829336,0.000000,-0.273274,0.781171,0.561332,0.000000,-1744820.725958,4987679.007888,3560038.595489,1],    "boundingVolume": {    "region": [1.907269,0.595936,1.907364,0.596051,0.000000,8.697752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1270788.b3dm"}}}