{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950741,-0.309987,0.000000,0.000000,0.173433,-0.531925,0.828841,0.000000,-0.256388,0.786350,0.562067,0.000000,-1637009.213351,5020758.722374,3564712.375207,1],    "boundingVolume": {    "region": [1.885893,0.596798,1.886059,0.596967,0.000000,8.796485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1387787.b3dm"}}}