{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943890,-0.330259,0.000000,0.000000,0.184179,-0.526389,0.830056,0.000000,-0.273559,0.781839,0.560261,0.000000,-1746633.054653,4991925.886332,3553236.700912,1],    "boundingVolume": {    "region": [1.907320,0.594611,1.907429,0.594791,0.000000,6.970682]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1241740.b3dm"}}}