{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950710,-0.310082,0.000000,0.000000,0.173418,-0.531698,0.828989,0.000000,-0.256513,0.786466,0.561847,0.000000,-1637804.992012,5021499.309413,3563312.834640,1],    "boundingVolume": {    "region": [1.885993,0.596532,1.886158,0.596701,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392894.b3dm"}}}