{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949162,-0.314789,0.000000,0.000000,0.175843,-0.530207,0.829433,0.000000,-0.260548,0.785610,0.561187,0.000000,-1663563.477814,5016020.343684,3559122.988922,1],    "boundingVolume": {    "region": [1.890962,0.595767,1.891100,0.595873,0.000000,10.657138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1362794.b3dm"}}}