{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898020,-0.439955,0.000000,0.000000,0.284485,-0.580681,0.762809,0.000000,-0.334657,0.683089,0.649149,0.000000,-2137502.268787,4362993.940754,4118456.784426,1],    "boundingVolume": {    "region": [2.026278,0.706354,2.026411,0.706576,0.000000,14.750412]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821836.b3dm"}}}