{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950581,-0.310476,0.000000,0.000000,0.173534,-0.531308,0.829215,0.000000,-0.256909,0.786576,0.561512,0.000000,-1640332.577274,5022195.449070,3561182.815449,1],    "boundingVolume": {    "region": [1.886441,0.596162,1.886539,0.596261,0.000000,8.704756]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1341943.b3dm"}}}