{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898221,-0.439545,0.000000,0.000000,0.284388,-0.581154,0.762485,0.000000,-0.334202,0.682950,0.649530,0.000000,-2134599.804298,4362110.591664,4120880.806260,1],    "boundingVolume": {    "region": [2.025837,0.706929,2.025938,0.707003,0.000000,16.531448]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1803614.b3dm"}}}