{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949837,-0.312745,0.000000,0.000000,0.174587,-0.530238,0.829679,0.000000,-0.258933,0.786404,0.560823,0.000000,-1653249.280209,5021081.629763,3556807.153938,1],    "boundingVolume": {    "region": [1.888796,0.595314,1.888960,0.595445,0.000000,8.709913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355587.b3dm"}}}