{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310482,0.000000,0.000000,0.173324,-0.530652,0.829679,0.000000,-0.257059,0.787019,0.560823,0.000000,-1641288.343742,5025005.770303,3556804.849463,1],    "boundingVolume": {    "region": [1.886439,0.595322,1.886554,0.595436,0.000000,8.776167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/9_1450729.b3dm"}}}