{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311988,0.000000,0.000000,0.174464,-0.531290,0.829031,0.000000,-0.258102,0.785991,0.561784,0.000000,-1647954.026665,5018462.111504,3562915.032738,1],    "boundingVolume": {    "region": [1.888012,0.596436,1.888150,0.596645,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398563.b3dm"}}}