{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949171,-0.314760,0.000000,0.000000,0.175967,-0.530636,0.829133,0.000000,-0.260428,0.785331,0.561633,0.000000,-1662803.593451,5014246.428515,3561957.455367,1],    "boundingVolume": {    "region": [1.890932,0.596305,1.891069,0.596412,0.000000,8.269188]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1416712.b3dm"}}}