{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949274,-0.314450,0.000000,0.000000,0.116198,-0.350782,0.929220,0.000000,-0.291924,0.881271,0.371674,0.000000,-1862792.639489,5623469.017188,2355807.363894,1],    "boundingVolume": {    "region": [1.890604,0.380762,1.890743,0.380861,0.000000,5.951078]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_71861.b3dm"}}}