{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950592,-0.310443,0.000000,0.000000,0.173802,-0.532189,0.828594,0.000000,-0.256688,0.785990,0.562433,0.000000,-1638926.378875,5018470.768296,3567036.778920,1],    "boundingVolume": {    "region": [1.886407,0.597276,1.886504,0.597374,0.000000,12.833956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/14_1385172.b3dm"}}}