{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950907,-0.309475,0.000000,0.000000,0.173079,-0.531811,0.828987,0.000000,-0.256010,0.786628,0.561849,0.000000,-1634597.116821,5022533.043463,3563328.807398,1],    "boundingVolume": {    "region": [1.885355,0.596535,1.885520,0.596704,0.000000,8.765336]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386509.b3dm"}}}