{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950023,-0.312181,0.000000,0.000000,0.174725,-0.531717,0.828703,0.000000,-0.258159,0.785624,0.562271,0.000000,-1648320.660445,5016127.128252,3566011.334766,1],    "boundingVolume": {    "region": [1.888216,0.597025,1.888354,0.597234,0.000000,8.301241]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1331846.b3dm"}}}