{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950818,-0.309750,0.000000,0.000000,0.173325,-0.532043,0.828787,0.000000,-0.256175,0.786363,0.562146,0.000000,-1635649.563107,5020843.226553,3565214.064360,1],    "boundingVolume": {    "region": [1.885644,0.596894,1.885809,0.597063,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388416.b3dm"}}}