{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949446,-0.313930,0.000000,0.000000,0.175476,-0.530707,0.829192,0.000000,-0.259760,0.785615,0.561546,0.000000,-1658535.329551,5016054.981803,3561404.704143,1],    "boundingVolume": {    "region": [1.890076,0.596213,1.890175,0.596294,0.000000,8.656528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1444058.b3dm"}}}