{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897636,-0.440737,0.000000,0.000000,0.285852,-0.582187,0.761148,0.000000,-0.334516,0.681299,0.651100,0.000000,-2136622.209323,4351597.275196,4130868.552982,1],    "boundingVolume": {    "region": [2.027140,0.708919,2.027292,0.709146,0.000000,12.100326]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1790909.b3dm"}}}