{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895722,-0.444615,0.000000,0.000000,0.284158,-0.572464,0.769116,0.000000,-0.341020,0.687018,0.641647,0.000000,-2178075.033829,4387948.714876,4070730.602695,1],    "boundingVolume": {    "region": [2.031480,0.696585,2.031602,0.696703,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663757.b3dm"}}}