{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950981,-0.309249,0.000000,0.000000,0.172795,-0.531366,0.829332,0.000000,-0.255931,0.787019,0.561338,0.000000,-1634084.984814,5025019.842155,3560078.089875,1],    "boundingVolume": {    "region": [1.885127,0.595892,1.885273,0.596111,0.000000,8.794689]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1339645.b3dm"}}}