{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950137,-0.311833,0.000000,0.000000,0.174186,-0.530733,0.829447,0.000000,-0.258105,0.786430,0.561168,0.000000,-1647968.031677,5021254.166486,3558999.001593,1],    "boundingVolume": {    "region": [1.887869,0.595738,1.887968,0.595855,0.000000,8.819331]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1429034.b3dm"}}}