{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950460,-0.310848,0.000000,0.000000,0.114359,-0.349669,0.929867,0.000000,-0.288783,0.882994,0.370036,0.000000,-1842741.967448,5634437.294439,2345415.996376,1],    "boundingVolume": {    "region": [1.886807,0.379009,1.886955,0.379087,0.000000,11.052271]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_4032.b3dm"}}}