{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950190,-0.311671,0.000000,0.000000,0.174244,-0.531218,0.829124,0.000000,-0.257869,0.786165,0.561647,0.000000,-1646463.871698,5019573.352938,3562044.336114,1],    "boundingVolume": {    "region": [1.887678,0.596271,1.887816,0.596480,0.000000,8.750392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1397540.b3dm"}}}