{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949081,-0.315033,0.000000,0.000000,0.175935,-0.530030,0.829527,0.000000,-0.260779,0.785633,0.561049,0.000000,-1665037.339493,5016160.190054,3558242.518851,1],    "boundingVolume": {    "region": [1.891219,0.595599,1.891356,0.595706,0.000000,8.719460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1374490.b3dm"}}}