{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948650,-0.316327,0.000000,0.000000,0.176497,-0.529308,0.829868,0.000000,-0.261959,0.785603,0.560541,0.000000,-1672567.944386,5015959.214373,3555014.290944,1],    "boundingVolume": {    "region": [1.892603,0.594927,1.892699,0.595150,0.000000,7.883306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1075450.b3dm"}}}