{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949940,-0.312433,0.000000,0.000000,0.174481,-0.530503,0.829532,0.000000,-0.258628,0.786349,0.561041,0.000000,-1651305.593818,5020734.382983,3558190.663184,1],    "boundingVolume": {    "region": [1.888467,0.595577,1.888631,0.595708,0.000000,8.732640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1433286.b3dm"}}}