{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950314,-0.311294,0.000000,0.000000,0.174042,-0.531313,0.829106,0.000000,-0.257552,0.786250,0.561674,0.000000,-1644438.267421,5020115.333880,3562215.097246,1],    "boundingVolume": {    "region": [1.887275,0.596315,1.887427,0.596500,0.000000,8.543141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1331235.b3dm"}}}