{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894282,-0.447505,0.000000,0.000000,0.285172,-0.569880,0.770658,0.000000,-0.343930,0.687300,0.639789,0.000000,-2196642.910456,4389714.024653,4058912.493940,1],    "boundingVolume": {    "region": [2.034703,0.694162,2.034836,0.694287,0.000000,79.261000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/9_1169904.b3dm"}}}