{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949164,-0.314783,0.000000,0.000000,0.175832,-0.530185,0.829450,0.000000,-0.260548,0.785628,0.561163,0.000000,-1663562.889549,5016130.314462,3558969.308173,1],    "boundingVolume": {    "region": [1.890956,0.595737,1.891093,0.595844,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363508.b3dm"}}}