{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950221,-0.311577,0.000000,0.000000,0.173870,-0.530253,0.829820,0.000000,-0.258010,0.786857,0.560613,0.000000,-1647360.066249,5023969.704808,3555470.200588,1],    "boundingVolume": {    "region": [1.887599,0.595067,1.887699,0.595184,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453439.b3dm"}}}