{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949836,-0.312750,0.000000,0.000000,0.114609,-0.348072,0.930436,0.000000,-0.290730,0.882960,0.368590,0.000000,-1855158.217343,5634200.479090,2336240.619295,1],    "boundingVolume": {    "region": [1.888799,0.377367,1.888967,0.377616,0.000000,28.592697]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_14757.b3dm"}}}