{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943332,-0.331850,0.000000,0.000000,0.186100,-0.529017,0.827954,0.000000,-0.274174,0.779380,0.563379,0.000000,-1750581.258132,4976281.327049,3573049.118778,1],    "boundingVolume": {    "region": [1.908988,0.598421,1.909133,0.598518,0.000000,8.340381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_545335.b3dm"}}}