{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950063,-0.312060,0.000000,0.000000,0.174022,-0.529809,0.830072,0.000000,-0.258489,0.786967,0.560238,0.000000,-1650411.720428,5024664.625127,3553088.206737,1],    "boundingVolume": {    "region": [1.888074,0.594607,1.888238,0.594739,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459255.b3dm"}}}