{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950388,-0.311068,0.000000,0.000000,0.173964,-0.531502,0.829001,0.000000,-0.257332,0.786211,0.561830,0.000000,-1643035.462796,5019867.108514,3563205.397499,1],    "boundingVolume": {    "region": [1.887064,0.596547,1.887162,0.596645,0.000000,8.784401]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1392161.b3dm"}}}