{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858759,-0.512381,0.000000,0.000000,0.262127,-0.439329,0.859232,0.000000,-0.439477,0.736571,0.514125,0.000000,-2805526.294939,4702109.849754,3260090.201330,1],    "boundingVolume": {    "region": [2.108669,0.539924,2.108833,0.540049,0.000000,33.926833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_219104.b3dm"}}}