{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949166,-0.314777,0.000000,0.000000,0.175828,-0.530185,0.829451,0.000000,-0.260543,0.785630,0.561162,0.000000,-1663531.220189,5016147.645266,3558959.748942,1],    "boundingVolume": {    "region": [1.890949,0.595736,1.891086,0.595842,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363596.b3dm"}}}