{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949880,-0.312614,0.000000,0.000000,0.174741,-0.530951,0.829190,0.000000,-0.258670,0.785973,0.561548,0.000000,-1651579.658141,5018340.663527,3561417.064984,1],    "boundingVolume": {    "region": [1.888654,0.596153,1.888825,0.596359,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439005.b3dm"}}}