{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949262,-0.314487,0.000000,0.000000,0.175880,-0.530884,0.828992,0.000000,-0.260158,0.785271,0.561842,0.000000,-1661078.482106,5013868.780114,3563284.768844,1],    "boundingVolume": {    "region": [1.890662,0.596600,1.890764,0.596622,0.000000,8.037724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/10_1420295.b3dm"}}}