{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950675,-0.310188,0.000000,0.000000,0.173548,-0.531897,0.828834,0.000000,-0.256552,0.786290,0.562076,0.000000,-1638056.517317,5020375.471339,3564770.652306,1],    "boundingVolume": {    "region": [1.886104,0.596809,1.886270,0.596978,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396528.b3dm"}}}