{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897037,-0.441956,0.000000,0.000000,0.287240,-0.583010,0.759995,0.000000,-0.334929,0.679805,0.652448,0.000000,-2139274.343062,4342078.710991,4139445.375019,1],    "boundingVolume": {    "region": [2.028485,0.710757,2.028664,0.710862,0.000000,10.537637]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780831.b3dm"}}}