{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950076,-0.312018,0.000000,0.000000,0.174423,-0.531108,0.829156,0.000000,-0.258167,0.786102,0.561599,0.000000,-1648364.892048,5019169.446787,3561736.347992,1],    "boundingVolume": {    "region": [1.888044,0.596212,1.888182,0.596421,0.000000,8.423377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1336671.b3dm"}}}