{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312123,0.000000,0.000000,0.174045,-0.529758,0.830099,0.000000,-0.258550,0.786976,0.560197,0.000000,-1650803.323196,5024721.957328,3552826.958594,1],    "boundingVolume": {    "region": [1.888141,0.594558,1.888305,0.594689,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458760.b3dm"}}}