{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897536,-0.440942,0.000000,0.000000,0.283179,-0.576410,0.766526,0.000000,-0.337055,0.686073,0.644746,0.000000,-2152777.574579,4381971.205325,4090445.589314,1],    "boundingVolume": {    "region": [2.027381,0.700657,2.027507,0.700726,0.000000,18.388655]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/8_858808.b3dm"}}}