{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871389,-0.490592,0.000000,0.000000,0.211797,-0.376194,0.902009,0.000000,-0.441961,0.785012,0.434081,0.000000,-2820670.221457,5010076.057516,2751827.354480,1],    "boundingVolume": {    "region": [2.083509,0.448977,2.083621,0.449058,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222825.b3dm"}}}