{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858483,-0.512842,0.000000,0.000000,0.262525,-0.439460,0.859044,0.000000,-0.439775,0.736171,0.514442,0.000000,-2807430.696778,4699565.783079,3262104.952910,1],    "boundingVolume": {    "region": [2.109206,0.540294,2.109370,0.540419,0.000000,11.005166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_250530.b3dm"}}}