{
  "manageEntity": {
    "action": "Update",
    "entityId": "354908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3w4ysyfzfnlrnrspvsxdtuo4tun2gs6mzb67kevupnnpfebbqm2q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1288494577},{\"type\":\"playlist\",\"playlist_id\":1936117932},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":66758},{\"type\":\"playlist\",\"playlist_id\":139335},{\"type\":\"playlist\",\"playlist_id\":140294347},{\"type\":\"playlist\",\"playlist_id\":1428},{\"type\":\"playlist\",\"playlist_id\":756150589}]}}}",
    "nonce": "0xe042c52aae406c376ba64b185dc6e3d647cb128d6ffccf826a34346c53888dbb",
    "signature": "0x4c9be8d576593e6e243cdaefb365b18ac764e3494dc09b1657e54a6bf4d59efa2cc35d9ff7a6ae9895cc087804799a89d50f11327a84fe38204049a1117794a81c",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}