{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312107,0.000000,0.000000,0.174273,-0.530484,0.829587,0.000000,-0.258376,0.786490,0.560959,0.000000,-1649694.739415,5021636.099026,3557668.883282,1],    "boundingVolume": {    "region": [1.888124,0.595478,1.888288,0.595609,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455676.b3dm"}}}