{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949064,-0.315084,0.000000,0.000000,0.115769,-0.348709,0.930054,0.000000,-0.292778,0.881875,0.369563,0.000000,-1868233.345224,5627295.544521,2342413.639246,1],    "boundingVolume": {    "region": [1.891289,0.378503,1.891394,0.378573,0.000000,43.099270]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/15_9549.b3dm"}}}