{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871388,-0.490595,0.000000,0.000000,0.211783,-0.376166,0.902024,0.000000,-0.441972,0.785024,0.434048,0.000000,-2820735.698226,5010152.689668,2751622.094210,1],    "boundingVolume": {    "region": [2.083512,0.448941,2.083625,0.449022,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221795.b3dm"}}}