{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950573,-0.310502,0.000000,0.000000,0.173614,-0.531502,0.829074,0.000000,-0.256887,0.786434,0.561721,0.000000,-1640190.680343,5021290.868766,3562514.525662,1],    "boundingVolume": {    "region": [1.886468,0.596415,1.886566,0.596514,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389379.b3dm"}}}