{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949998,-0.312256,0.000000,0.000000,0.174787,-0.531765,0.828659,0.000000,-0.258208,0.785562,0.562336,0.000000,-1648629.163963,5015730.765987,3566423.440850,1],    "boundingVolume": {    "region": [1.888333,0.597143,1.888394,0.597274,0.000000,8.259807]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7.b3dm"}}}