{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948933,-0.315478,0.000000,0.000000,0.176355,-0.530463,0.829161,0.000000,-0.261031,0.785161,0.561591,0.000000,-1666650.201240,5013160.142347,3561690.505952,1],    "boundingVolume": {    "region": [1.891688,0.596255,1.891825,0.596361,0.000000,8.748822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1151020.b3dm"}}}