{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951234,-0.308471,0.000000,0.000000,0.115652,-0.356636,0.927057,0.000000,-0.285699,0.881011,0.377088,0.000000,-1823096.766986,5621886.064404,2390155.883322,1],    "boundingVolume": {    "region": [1.884300,0.386599,1.884464,0.386702,0.000000,50.877537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_18875.b3dm"}}}