{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943333,-0.331847,0.000000,0.000000,0.186110,-0.529049,0.827931,0.000000,-0.274164,0.779359,0.563412,0.000000,-1750517.396001,4976150.700911,3573260.897386,1],    "boundingVolume": {    "region": [1.908985,0.598461,1.909130,0.598559,0.000000,8.803792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_657476.b3dm"}}}