{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309537,0.000000,0.000000,0.172942,-0.531273,0.829361,0.000000,-0.256178,0.786970,0.561295,0.000000,-1635661.743516,5024701.922477,3559804.563974,1],    "boundingVolume": {    "region": [1.885429,0.595840,1.885575,0.596059,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339860.b3dm"}}}