{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950112,-0.311910,0.000000,0.000000,0.174220,-0.530694,0.829464,0.000000,-0.258174,0.786426,0.561141,0.000000,-1648405.982743,5021230.585943,3558830.584495,1],    "boundingVolume": {    "region": [1.887949,0.595706,1.888048,0.595823,0.000000,8.801193]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1428848.b3dm"}}}