{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950312,-0.311300,0.000000,0.000000,0.174035,-0.531281,0.829128,0.000000,-0.257564,0.786270,0.561641,0.000000,-1644515.175530,5020238.102652,3562007.966737,1],    "boundingVolume": {    "region": [1.887281,0.596276,1.887433,0.596461,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397468.b3dm"}}}