{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898370,-0.439240,0.000000,0.000000,0.284019,-0.580900,0.762816,0.000000,-0.334116,0.683362,0.649141,0.000000,-2134048.945528,4364734.128798,4118404.104588,1],    "boundingVolume": {    "region": [2.025498,0.706417,2.025599,0.706492,0.000000,7.415312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1818300.b3dm"}}}