{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949250,-0.314522,0.000000,0.000000,0.175899,-0.530876,0.828993,0.000000,-0.260187,0.785263,0.561841,0.000000,-1661263.197986,5013814.579518,3563274.986702,1],    "boundingVolume": {    "region": [1.890699,0.596598,1.890800,0.596620,0.000000,18.185274]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1420114.b3dm"}}}