{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852878,-0.522110,0.000000,0.000000,0.269402,-0.440074,0.856597,0.000000,-0.446435,0.729261,0.518531,0.000000,-2849986.973188,4655516.859918,3288085.234756,1],    "boundingVolume": {    "region": [2.120073,0.545091,2.120165,0.545175,0.000000,140.438233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_7956.b3dm"}}}