{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949547,-0.313625,0.000000,0.000000,0.115032,-0.348276,0.930307,0.000000,-0.291503,0.882568,0.368918,0.000000,-1860091.460809,5631704.312656,2338321.623106,1],    "boundingVolume": {    "region": [1.889720,0.377720,1.889889,0.377969,0.000000,10.818324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_15400.b3dm"}}}