{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950904,-0.309487,0.000000,0.000000,0.173088,-0.531815,0.828983,0.000000,-0.256019,0.786621,0.561856,0.000000,-1634652.339998,5022486.274563,3563369.123372,1],    "boundingVolume": {    "region": [1.885368,0.596543,1.885533,0.596712,0.000000,8.803589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386543.b3dm"}}}