{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950794,-0.309824,0.000000,0.000000,0.173084,-0.531165,0.829401,0.000000,-0.256428,0.786930,0.561236,0.000000,-1637258.187055,5024449.677211,3559429.218545,1],    "boundingVolume": {    "region": [1.885731,0.595768,1.885877,0.595988,0.000000,8.807516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1422091.b3dm"}}}