{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949082,-0.315029,0.000000,0.000000,0.176185,-0.530788,0.828989,0.000000,-0.260605,0.785120,0.561847,0.000000,-1663936.384966,5012901.610143,3563311.950988,1],    "boundingVolume": {    "region": [1.891233,0.596606,1.891335,0.596627,0.000000,9.660840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10_1420605.b3dm"}}}