{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949549,-0.313618,0.000000,0.000000,0.174829,-0.529333,0.830206,0.000000,-0.259822,0.786670,0.560038,0.000000,-1658925.108823,5022763.569771,3551819.757544,1],    "boundingVolume": {    "region": [1.889717,0.594299,1.889879,0.594565,0.000000,8.809467]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1461621.b3dm"}}}