{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950899,-0.309501,0.000000,0.000000,0.173158,-0.532002,0.828849,0.000000,-0.255989,0.786489,0.562055,0.000000,-1634460.131064,5021644.890679,3564634.350348,1],    "boundingVolume": {    "region": [1.885382,0.596783,1.885548,0.596952,0.000000,8.657288]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387685.b3dm"}}}