{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950235,-0.311533,0.000000,0.000000,0.173911,-0.530463,0.829677,0.000000,-0.257929,0.786732,0.560826,0.000000,-1646838.747928,5023175.116419,3556824.999646,1],    "boundingVolume": {    "region": [1.887552,0.595325,1.887652,0.595441,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454547.b3dm"}}}