{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949125,-0.314900,0.000000,0.000000,0.116060,-0.349810,0.929604,0.000000,-0.292464,0.881500,0.370705,0.000000,-1866233.063479,5624918.361785,2349657.664206,1],    "boundingVolume": {    "region": [1.891094,0.379710,1.891202,0.379825,0.000000,57.910820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/20_76083.b3dm"}}}