{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897816,-0.440371,0.000000,0.000000,0.282915,-0.576799,0.766330,0.000000,-0.336532,0.686111,0.644979,0.000000,-2149441.227119,4382216.233651,4091927.373333,1],    "boundingVolume": {    "region": [2.026745,0.700961,2.026872,0.701030,0.000000,14.861136]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_861532.b3dm"}}}