{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949549,-0.313618,0.000000,0.000000,0.174828,-0.529331,0.830207,0.000000,-0.259823,0.786671,0.560036,0.000000,-1658926.263508,5022773.497378,3551805.276775,1],    "boundingVolume": {    "region": [1.889716,0.594297,1.889878,0.594562,0.000000,8.809467]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1461618.b3dm"}}}