{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949285,-0.314416,0.000000,0.000000,0.175688,-0.530437,0.829319,0.000000,-0.260202,0.785604,0.561357,0.000000,-1661359.669799,5015981.975771,3560199.042163,1],    "boundingVolume": {    "region": [1.890569,0.595971,1.890706,0.596078,0.000000,8.723768]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1360337.b3dm"}}}