{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950370,-0.311123,0.000000,0.000000,0.173889,-0.531170,0.829229,0.000000,-0.257449,0.786415,0.561491,0.000000,-1643779.567487,5021163.118287,3561050.011647,1],    "boundingVolume": {    "region": [1.887095,0.596094,1.887246,0.596279,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1432019.b3dm"}}}