{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949296,-0.314382,0.000000,0.000000,0.175627,-0.530316,0.829410,0.000000,-0.260203,0.785699,0.561223,0.000000,-1661363.429433,5016588.631503,3559348.148027,1],    "boundingVolume": {    "region": [1.890533,0.595809,1.890671,0.595916,0.000000,8.729292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362157.b3dm"}}}