{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950458,-0.310854,0.000000,0.000000,0.173993,-0.531996,0.828678,0.000000,-0.257053,0.785960,0.562308,0.000000,-1641260.332334,5018275.642690,3566243.422101,1],    "boundingVolume": {    "region": [1.886838,0.597125,1.886936,0.597223,0.000000,8.132210]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1325625.b3dm"}}}