{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895761,-0.444536,0.000000,0.000000,0.284110,-0.572495,0.769111,0.000000,-0.340957,0.687044,0.641653,0.000000,-2177675.215279,4388112.584633,4070767.616494,1],    "boundingVolume": {    "region": [2.031392,0.696593,2.031514,0.696710,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_949180.b3dm"}}}