{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949391,-0.314096,0.000000,0.000000,0.175602,-0.530777,0.829120,0.000000,-0.259874,0.785501,0.561653,0.000000,-1659265.530775,5015329.130798,3562082.195735,1],    "boundingVolume": {    "region": [1.890251,0.596342,1.890350,0.596423,0.000000,8.429607]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/14_1409968.b3dm"}}}