{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897040,-0.441949,0.000000,0.000000,0.287235,-0.583012,0.759995,0.000000,-0.334924,0.679807,0.652448,0.000000,-2139241.418524,4342095.205395,4139445.090411,1],    "boundingVolume": {    "region": [2.028477,0.710757,2.028656,0.710862,0.000000,6.224931]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780744.b3dm"}}}