{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949123,-0.314904,0.000000,0.000000,0.176113,-0.530805,0.828994,0.000000,-0.260503,0.785158,0.561840,0.000000,-1663284.246028,5013147.294026,3563271.052822,1],    "boundingVolume": {    "region": [1.891102,0.596598,1.891203,0.596619,0.000000,10.092790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/9_1420056.b3dm"}}}