{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950216,-0.311592,0.000000,0.000000,0.174184,-0.531184,0.829158,0.000000,-0.257815,0.786220,0.561596,0.000000,-1646118.016392,5019919.658219,3561718.339677,1],    "boundingVolume": {    "region": [1.887595,0.596209,1.887734,0.596418,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1341602.b3dm"}}}