{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950218,-0.311585,0.000000,0.000000,0.174240,-0.531367,0.829029,0.000000,-0.257769,0.786098,0.561788,0.000000,-1645824.285057,5019144.303094,3562938.357088,1],    "boundingVolume": {    "region": [1.887581,0.596453,1.887733,0.596638,0.000000,8.785472]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398581.b3dm"}}}