{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871395,-0.490581,0.000000,0.000000,0.211756,-0.376131,0.902045,0.000000,-0.441970,0.785049,0.434005,0.000000,-2820723.908575,5010311.764309,2751346.376596,1],    "boundingVolume": {    "region": [2.083497,0.448893,2.083609,0.448974,0.000000,69.793790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_220564.b3dm"}}}