{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949063,-0.315087,0.000000,0.000000,0.175870,-0.529732,0.829731,0.000000,-0.260889,0.785813,0.560745,0.000000,-1665737.394237,5017308.377900,3556308.552757,1],    "boundingVolume": {    "region": [1.891276,0.595232,1.891413,0.595338,0.000000,8.820004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1375059.b3dm"}}}