{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871414,-0.490548,0.000000,0.000000,0.211726,-0.376113,0.902059,0.000000,-0.441947,0.785079,0.433975,0.000000,-2820578.188758,5010500.146256,2751153.999252,1],    "boundingVolume": {    "region": [2.083459,0.448859,2.083571,0.448940,0.000000,61.783352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_219837.b3dm"}}}