{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950041,-0.312124,0.000000,0.000000,0.174281,-0.530476,0.829591,0.000000,-0.258391,0.786489,0.560953,0.000000,-1649794.447750,5021628.338813,3557633.836554,1],    "boundingVolume": {    "region": [1.888143,0.595471,1.888307,0.595602,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455612.b3dm"}}}