{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950040,-0.312128,0.000000,0.000000,0.174046,-0.529752,0.830103,0.000000,-0.258556,0.786978,0.560191,0.000000,-1650838.909987,5024735.539726,3552791.452849,1],    "boundingVolume": {    "region": [1.888147,0.594551,1.888311,0.594682,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460571.b3dm"}}}