{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950101,-0.311943,0.000000,0.000000,0.174546,-0.531624,0.828800,0.000000,-0.257993,0.785782,0.562126,0.000000,-1647255.813890,5017135.496971,3565090.900784,1],    "boundingVolume": {    "region": [1.887964,0.596850,1.888103,0.597059,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1400953.b3dm"}}}