{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897952,-0.440093,0.000000,0.000000,0.282448,-0.576299,0.766879,0.000000,-0.336562,0.686710,0.644325,0.000000,-2149627.539159,4386030.407176,4087768.864848,1],    "boundingVolume": {    "region": [2.026436,0.700106,2.026562,0.700175,0.000000,7.391989]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/0_883427.b3dm"}}}