{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949638,-0.313348,0.000000,0.000000,0.174868,-0.529959,0.829798,0.000000,-0.259470,0.786353,0.560646,0.000000,-1656677.263916,5020754.874204,3555680.803041,1],    "boundingVolume": {    "region": [1.889432,0.595033,1.889594,0.595298,0.000000,8.819706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369800.b3dm"}}}