{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949477,-0.313837,0.000000,0.000000,0.175432,-0.530749,0.829173,0.000000,-0.259677,0.785623,0.561573,0.000000,-1658007.242794,5016107.495736,3561575.474800,1],    "boundingVolume": {    "region": [1.889978,0.596245,1.890077,0.596327,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444578.b3dm"}}}