{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871423,-0.490533,0.000000,0.000000,0.211756,-0.376180,0.902024,0.000000,-0.441916,0.785056,0.434048,0.000000,-2820381.060102,5010352.694521,2751621.445397,1],    "boundingVolume": {    "region": [2.083442,0.448941,2.083554,0.449022,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221779.b3dm"}}}