{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950862,-0.309614,0.000000,0.000000,0.172855,-0.530858,0.829645,0.000000,-0.256330,0.787221,0.560873,0.000000,-1636633.246092,5026297.732530,3557122.244248,1],    "boundingVolume": {    "region": [1.885511,0.595330,1.885656,0.595549,0.000000,8.800975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1448719.b3dm"}}}