{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948737,-0.316068,0.000000,0.000000,0.176314,-0.529239,0.829951,0.000000,-0.261771,0.785753,0.560418,0.000000,-1671367.537310,5016919.222646,3554229.403462,1],    "boundingVolume": {    "region": [1.892330,0.594778,1.892426,0.595001,0.000000,8.473372]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1076750.b3dm"}}}