{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949720,-0.313101,0.000000,0.000000,0.174918,-0.530576,0.829393,0.000000,-0.259137,0.786034,0.561247,0.000000,-1654557.754394,5018726.983562,3559502.755362,1],    "boundingVolume": {    "region": [1.889176,0.595808,1.889329,0.595976,0.000000,7.465001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1351770.b3dm"}}}