{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948554,-0.316614,0.000000,0.000000,0.176504,-0.528794,0.830195,0.000000,-0.262301,0.785835,0.560055,0.000000,-1674749.651441,5017435.922010,3551922.778707,1],    "boundingVolume": {    "region": [1.892906,0.594340,1.893002,0.594563,0.000000,8.800847]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/9_1214602.b3dm"}}}