{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949003,-0.315268,0.000000,0.000000,0.175952,-0.529640,0.829772,0.000000,-0.261051,0.785803,0.560684,0.000000,-1666774.828553,5017240.024968,3555921.498471,1],    "boundingVolume": {    "region": [1.891488,0.595116,1.891582,0.595307,0.000000,8.681852]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073534.b3dm"}}}