{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894810,-0.446448,0.000000,0.000000,0.284482,-0.570184,0.770688,0.000000,-0.343131,0.687733,0.639753,0.000000,-2191542.905950,4392478.430661,4058680.273163,1],    "boundingVolume": {    "region": [2.033521,0.694115,2.033655,0.694239,0.000000,56.210722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1167433.b3dm"}}}