{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950480,-0.310787,0.000000,0.000000,0.173815,-0.531578,0.828983,0.000000,-0.257094,0.786270,0.561856,0.000000,-1641515.959561,5020245.817581,3563371.065790,1],    "boundingVolume": {    "region": [1.886768,0.596578,1.886866,0.596677,0.000000,19.090562]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1393242.b3dm"}}}