{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896435,-0.443175,0.000000,0.000000,0.283577,-0.573608,0.768477,0.000000,-0.339631,0.686991,0.642413,0.000000,-2169208.419167,4387786.014597,4075604.684412,1],    "boundingVolume": {    "region": [2.029849,0.697569,2.030017,0.697718,0.000000,40.201601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_519867.b3dm"}}}