{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950037,-0.312137,0.000000,0.000000,0.174220,-0.530265,0.829739,0.000000,-0.258448,0.786628,0.560733,0.000000,-1650155.460648,5022507.230293,3556234.884894,1],    "boundingVolume": {    "region": [1.888156,0.595205,1.888320,0.595336,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456734.b3dm"}}}