{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852941,-0.522007,0.000000,0.000000,0.269354,-0.440115,0.856591,0.000000,-0.446344,0.729309,0.518541,0.000000,-2849405.862001,4655827.929275,3288147.994899,1],    "boundingVolume": {    "region": [2.119953,0.545102,2.120045,0.545186,0.000000,88.702966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_5494.b3dm"}}}