{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858188,-0.513336,0.000000,0.000000,0.262675,-0.439136,0.859163,0.000000,-0.440261,0.736021,0.514240,0.000000,-2810531.881670,4698605.930782,3260825.582972,1],    "boundingVolume": {    "region": [2.109782,0.540059,2.109946,0.540184,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129866.b3dm"}}}