{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852789,-0.522255,0.000000,0.000000,0.269491,-0.440051,0.856580,0.000000,-0.446550,0.729171,0.518559,0.000000,-2850724.402678,4654943.142717,3288257.075291,1],    "boundingVolume": {    "region": [2.120200,0.545079,2.120379,0.545249,0.000000,161.644500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_12159.b3dm"}}}