{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950297,-0.311346,0.000000,0.000000,0.174011,-0.531118,0.829237,0.000000,-0.257636,0.786361,0.561480,0.000000,-1644975.560391,5020822.079508,3560979.074488,1],    "boundingVolume": {    "region": [1.887330,0.596080,1.887482,0.596265,0.000000,8.341235]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1342141.b3dm"}}}