{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948735,-0.316074,0.000000,0.000000,0.176387,-0.529447,0.829803,0.000000,-0.261728,0.785610,0.560638,0.000000,-1671098.384503,5016011.108093,3555627.978464,1],    "boundingVolume": {    "region": [1.892336,0.595044,1.892432,0.595267,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1074329.b3dm"}}}