{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950578,-0.310486,0.000000,0.000000,0.173779,-0.532039,0.828695,0.000000,-0.256755,0.786076,0.562283,0.000000,-1639352.649803,5019012.592302,3566084.850414,1],    "boundingVolume": {    "region": [1.886452,0.597094,1.886549,0.597193,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384140.b3dm"}}}