{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950084,-0.311993,0.000000,0.000000,0.174362,-0.530970,0.829258,0.000000,-0.258178,0.786206,0.561448,0.000000,-1648434.388967,5019829.492709,3560780.305917,1],    "boundingVolume": {    "region": [1.888017,0.596031,1.888155,0.596239,0.000000,8.771536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1431515.b3dm"}}}