{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949182,-0.314728,0.000000,0.000000,0.175935,-0.530598,0.829164,0.000000,-0.260411,0.785369,0.561588,0.000000,-1662694.465130,5014489.053765,3561668.773891,1],    "boundingVolume": {    "region": [1.890898,0.596251,1.891035,0.596357,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447958.b3dm"}}}