{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949490,-0.313796,0.000000,0.000000,0.175434,-0.530832,0.829120,0.000000,-0.259627,0.785583,0.561653,0.000000,-1657684.813661,5015852.302182,3562081.517155,1],    "boundingVolume": {    "region": [1.889936,0.596341,1.890034,0.596423,0.000000,8.064060]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1409992.b3dm"}}}