{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949035,-0.315172,0.000000,0.000000,0.176158,-0.530441,0.829217,0.000000,-0.260795,0.785298,0.561509,0.000000,-1665145.763911,5014035.051878,3561166.104436,1],    "boundingVolume": {    "region": [1.891365,0.596155,1.891502,0.596261,0.000000,8.815839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1146721.b3dm"}}}