{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949253,-0.314513,0.000000,0.000000,0.116241,-0.350834,0.929195,0.000000,-0.291975,0.881228,0.371737,0.000000,-1863115.604542,5623193.507752,2356206.882241,1],    "boundingVolume": {    "region": [1.890671,0.380829,1.890809,0.380929,0.000000,18.657913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/9_71972.b3dm"}}}