{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949480,-0.313828,0.000000,0.000000,0.114642,-0.346847,0.930889,0.000000,-0.291876,0.883064,0.367432,0.000000,-1862467.109984,5634849.455556,2328898.025855,1],    "boundingVolume": {    "region": [1.889934,0.376122,1.890103,0.376372,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_28947.b3dm"}}}