{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950057,-0.312075,0.000000,0.000000,0.174013,-0.529750,0.830111,0.000000,-0.258514,0.787000,0.560179,0.000000,-1650573.425853,5024876.517105,3552715.922925,1],    "boundingVolume": {    "region": [1.888091,0.594537,1.888255,0.594668,0.000000,13.958589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458579.b3dm"}}}