{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898125,-0.439741,0.000000,0.000000,0.284348,-0.580752,0.762806,0.000000,-0.334493,0.683166,0.649152,0.000000,-2136456.341139,4363486.986487,4118477.007322,1],    "boundingVolume": {    "region": [2.026040,0.706358,2.026173,0.706581,0.000000,15.181416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821856.b3dm"}}}