{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949176,-0.314745,0.000000,0.000000,0.175938,-0.530576,0.829177,0.000000,-0.260430,0.785378,0.561568,0.000000,-1662814.354724,5014542.144693,3561538.929152,1],    "boundingVolume": {    "region": [1.890916,0.596226,1.891053,0.596332,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447451.b3dm"}}}