{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899225,-0.437486,0.000000,0.000000,0.283137,-0.581972,0.762327,0.000000,-0.332566,0.683570,0.649717,0.000000,-2124156.771800,4366076.233267,4122069.149771,1],    "boundingVolume": {    "region": [2.023510,0.707157,2.023684,0.707266,0.000000,36.247648]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/22/15_1801746.b3dm"}}}