{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948713,-0.316139,0.000000,0.000000,0.176435,-0.529470,0.829779,0.000000,-0.261774,0.785569,0.560674,0.000000,-1671391.496600,5015746.374759,3555862.077997,1],    "boundingVolume": {    "region": [1.892405,0.595088,1.892501,0.595312,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179556.b3dm"}}}