{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949322,-0.314306,0.000000,0.000000,0.175722,-0.530747,0.829114,0.000000,-0.260046,0.785437,0.561662,0.000000,-1660363.075381,5014924.820530,3562139.624718,1],    "boundingVolume": {    "region": [1.890472,0.596352,1.890571,0.596434,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417437.b3dm"}}}