{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949174,-0.314753,0.000000,0.000000,0.175796,-0.530132,0.829491,0.000000,-0.260536,0.785675,0.561102,0.000000,-1663486.346127,5016434.768940,3558578.576312,1],    "boundingVolume": {    "region": [1.890924,0.595663,1.891061,0.595770,0.000000,13.204093]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1365324.b3dm"}}}