{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949389,-0.314104,0.000000,0.000000,0.175168,-0.529451,0.830059,0.000000,-0.260178,0.786397,0.560257,0.000000,-1661197.930057,5021024.090758,3553207.292103,1],    "boundingVolume": {    "region": [1.890228,0.594563,1.890390,0.594828,0.000000,8.817751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1461877.b3dm"}}}