{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949119,-0.314917,0.000000,0.000000,0.175957,-0.530312,0.829342,0.000000,-0.260625,0.785488,0.561323,0.000000,-1664055.621082,5015241.468185,3559984.627531,1],    "boundingVolume": {    "region": [1.891097,0.595930,1.891235,0.596037,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1361009.b3dm"}}}