{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951209,-0.308546,0.000000,0.000000,0.115637,-0.356494,0.927114,0.000000,-0.285786,0.881043,0.376947,0.000000,-1823649.638425,5622088.362515,2389264.123997,1],    "boundingVolume": {    "region": [1.884379,0.386447,1.884542,0.386550,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_77176.b3dm"}}}