{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949401,-0.314067,0.000000,0.000000,0.175106,-0.529331,0.830148,0.000000,-0.260176,0.786492,0.560124,0.000000,-1661183.230124,5021629.351627,3552364.401159,1],    "boundingVolume": {    "region": [1.890189,0.594403,1.890351,0.594668,0.000000,8.817751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1461756.b3dm"}}}