{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898337,-0.439306,0.000000,0.000000,0.284284,-0.581333,0.762387,0.000000,-0.333977,0.682950,0.649645,0.000000,-2133166.063963,4362112.586235,4121616.095764,1],    "boundingVolume": {    "region": [2.025569,0.707082,2.025676,0.707154,0.000000,13.112159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/3_1802514.b3dm"}}}