{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949226,-0.314594,0.000000,0.000000,0.175457,-0.529409,0.830025,0.000000,-0.260573,0.786229,0.560308,0.000000,-1663719.202696,5019955.437319,3553535.373626,1],    "boundingVolume": {    "region": [1.890778,0.594663,1.890872,0.594853,0.000000,11.832347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1379973.b3dm"}}}