{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950037,-0.312138,0.000000,0.000000,0.174053,-0.529755,0.830100,0.000000,-0.258562,0.786972,0.560196,0.000000,-1650880.987179,5024698.599808,3552823.926191,1],    "boundingVolume": {    "region": [1.888157,0.594557,1.888321,0.594688,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460624.b3dm"}}}