{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950029,-0.312163,0.000000,0.000000,0.174216,-0.530204,0.829779,0.000000,-0.258482,0.786659,0.560674,0.000000,-1650373.941097,5022703.946287,3555858.188604,1],    "boundingVolume": {    "region": [1.888183,0.595134,1.888347,0.595265,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456659.b3dm"}}}