{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871401,-0.490572,0.000000,0.000000,0.211789,-0.376200,0.902008,0.000000,-0.441943,0.785022,0.434082,0.000000,-2820555.175599,5010135.989949,2751836.101290,1],    "boundingVolume": {    "region": [2.083486,0.448979,2.083599,0.449059,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222857.b3dm"}}}