{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949680,-0.313223,0.000000,0.000000,0.174708,-0.529707,0.829993,0.000000,-0.259428,0.786574,0.560356,0.000000,-1656406.852712,5022158.921466,3553835.891077,1],    "boundingVolume": {    "region": [1.889300,0.594682,1.889462,0.594948,0.000000,8.813936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376397.b3dm"}}}