{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949607,-0.313442,0.000000,0.000000,0.174931,-0.529972,0.829777,0.000000,-0.259541,0.786308,0.560677,0.000000,-1657130.933559,5020463.377380,3555879.645317,1],    "boundingVolume": {    "region": [1.889531,0.595071,1.889693,0.595336,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369348.b3dm"}}}