{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949181,-0.314730,0.000000,0.000000,0.175938,-0.530604,0.829159,0.000000,-0.260412,0.785364,0.561595,0.000000,-1662697.736874,5014458.357399,3561710.184625,1],    "boundingVolume": {    "region": [1.890900,0.596258,1.891037,0.596365,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1448091.b3dm"}}}