{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949099,-0.314977,0.000000,0.000000,0.175995,-0.530315,0.829332,0.000000,-0.260670,0.785462,0.561338,0.000000,-1664348.049119,5015077.629856,3560078.102369,1],    "boundingVolume": {    "region": [1.891160,0.595948,1.891297,0.596055,0.000000,11.675874]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1360678.b3dm"}}}