{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949090,-0.315005,0.000000,0.000000,0.175822,-0.529741,0.829735,0.000000,-0.260822,0.785840,0.560739,0.000000,-1665312.875359,5017475.887286,3556271.289120,1],    "boundingVolume": {    "region": [1.891190,0.595225,1.891327,0.595331,0.000000,8.820004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1375103.b3dm"}}}