{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897976,-0.440044,0.000000,0.000000,0.284662,-0.580895,0.762580,0.000000,-0.334623,0.682849,0.649419,0.000000,-2137293.465450,4361464.503147,4120173.186861,1],    "boundingVolume": {    "region": [2.026378,0.706708,2.026511,0.706931,0.000000,15.315936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823883.b3dm"}}}