{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943934,-0.330134,0.000000,0.000000,0.184226,-0.526747,0.829818,0.000000,-0.273376,0.781649,0.560616,0.000000,-1745466.735244,4990719.373749,3555488.749760,1],    "boundingVolume": {    "region": [1.907194,0.595072,1.907290,0.595187,0.000000,8.681551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1309839.b3dm"}}}