{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943308,-0.331918,0.000000,0.000000,0.186115,-0.528937,0.828001,0.000000,-0.274246,0.779405,0.563309,0.000000,-1751038.892398,4976442.245193,3572603.731043,1],    "boundingVolume": {    "region": [1.909060,0.598336,1.909205,0.598433,0.000000,8.616977]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_545630.b3dm"}}}