{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949228,-0.314590,0.000000,0.000000,0.175692,-0.530125,0.829518,0.000000,-0.260410,0.785746,0.561062,0.000000,-1662680.542635,5016882.364222,3558325.867076,1],    "boundingVolume": {    "region": [1.890753,0.595615,1.890890,0.595721,0.000000,9.465806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1365963.b3dm"}}}