{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949909,-0.312527,0.000000,0.000000,0.174512,-0.530420,0.829578,0.000000,-0.258721,0.786367,0.560972,0.000000,-1651898.366202,5020850.868883,3557754.064399,1],    "boundingVolume": {    "region": [1.888567,0.595494,1.888731,0.595625,0.000000,7.645795]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/15_1354277.b3dm"}}}