{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951872,-0.306496,0.000000,0.000000,0.112587,-0.349656,0.930088,0.000000,-0.284808,0.884518,0.369474,0.000000,-1817378.136531,5644159.483442,2341852.002136,1],    "boundingVolume": {    "region": [1.882224,0.378383,1.882388,0.378503,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_45887.b3dm"}}}