{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950380,-0.311092,0.000000,0.000000,0.173748,-0.530797,0.829497,0.000000,-0.257507,0.786680,0.561093,0.000000,-1644150.504360,5022846.839582,3558520.427484,1],    "boundingVolume": {    "region": [1.887088,0.595647,1.887188,0.595764,0.000000,8.816309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1428617.b3dm"}}}