{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949454,-0.313905,0.000000,0.000000,0.175498,-0.530819,0.829115,0.000000,-0.259715,0.785548,0.561660,0.000000,-1658250.639579,5015632.434223,3562127.438744,1],    "boundingVolume": {    "region": [1.890050,0.596350,1.890149,0.596432,0.000000,26.508872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1410370.b3dm"}}}