{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949000,-0.315277,0.000000,0.000000,0.116851,-0.351727,0.928781,0.000000,-0.292551,0.880596,0.372780,0.000000,-1866800.988252,5619173.111858,2362827.312155,1],    "boundingVolume": {    "region": [1.891475,0.381954,1.891614,0.382054,0.000000,7.865453]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/21_65374.b3dm"}}}