{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950041,-0.312124,0.000000,0.000000,0.174287,-0.530492,0.829580,0.000000,-0.258388,0.786479,0.560970,0.000000,-1649772.269544,5021559.894957,3557740.012484,1],    "boundingVolume": {    "region": [1.888143,0.595491,1.888307,0.595622,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455854.b3dm"}}}