{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898130,-0.439731,0.000000,0.000000,0.284317,-0.580703,0.762855,0.000000,-0.334507,0.683214,0.649095,0.000000,-2136544.024519,4363791.279381,4118111.560665,1],    "boundingVolume": {    "region": [2.026029,0.706282,2.026161,0.706505,0.000000,15.181416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821649.b3dm"}}}