{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950636,-0.310310,0.000000,0.000000,0.173459,-0.531393,0.829176,0.000000,-0.256759,0.786584,0.561569,0.000000,-1639377.373945,5022245.084360,3561550.173961,1],    "boundingVolume": {    "region": [1.886266,0.596232,1.886364,0.596331,0.000000,8.786727]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/3_1427647.b3dm"}}}