{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943332,-0.331850,0.000000,0.000000,0.186111,-0.529048,0.827932,0.000000,-0.274166,0.779359,0.563411,0.000000,-1750532.350536,4976148.758301,3573256.307449,1],    "boundingVolume": {    "region": [1.908988,0.598460,1.909132,0.598558,0.000000,8.803792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_657474.b3dm"}}}