{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943985,-0.329989,0.000000,0.000000,0.184362,-0.527398,0.829375,0.000000,-0.273109,0.781270,0.561275,0.000000,-1743763.199219,4988308.164319,3559677.644854,1],    "boundingVolume": {    "region": [1.907040,0.595868,1.907136,0.595983,0.000000,8.555800]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1298107.b3dm"}}}