{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950030,-0.312158,0.000000,0.000000,0.174498,-0.531072,0.829164,0.000000,-0.258285,0.786071,0.561588,0.000000,-1649120.054530,5018970.927994,3561666.992411,1],    "boundingVolume": {    "region": [1.888175,0.596201,1.888346,0.596406,0.000000,12.086402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1346928.b3dm"}}}