{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950940,-0.309375,0.000000,0.000000,0.116051,-0.356712,0.926978,0.000000,-0.286511,0.880663,0.377285,0.000000,-1828280.687039,5619668.333665,2391402.780147,1],    "boundingVolume": {    "region": [1.885250,0.386811,1.885414,0.386914,0.000000,6.704472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/15_61005.b3dm"}}}