{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949742,-0.313035,0.000000,0.000000,0.174945,-0.530780,0.829256,0.000000,-0.259039,0.785921,0.561450,0.000000,-1653934.845461,5018011.352959,3560792.253518,1],    "boundingVolume": {    "region": [1.889106,0.596053,1.889259,0.596221,0.000000,10.624152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1349454.b3dm"}}}