{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311989,0.000000,0.000000,0.174571,-0.531612,0.828802,0.000000,-0.258031,0.785772,0.562124,0.000000,-1647501.218297,5017067.882567,3565072.777731,1],    "boundingVolume": {    "region": [1.888013,0.596847,1.888151,0.597056,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1332200.b3dm"}}}