{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950659,-0.310239,0.000000,0.000000,0.173545,-0.531791,0.828903,0.000000,-0.256616,0.786342,0.561974,0.000000,-1638464.557398,5020706.603780,3564121.088290,1],    "boundingVolume": {    "region": [1.886158,0.596686,1.886324,0.596855,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1395258.b3dm"}}}