{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310326,0.000000,0.000000,0.173356,-0.531047,0.829420,0.000000,-0.256849,0.786813,0.561208,0.000000,-1639949.961907,5023698.743463,3559251.170009,1],    "boundingVolume": {    "region": [1.886275,0.595787,1.886390,0.595901,0.000000,8.657536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1343264.b3dm"}}}