{
  "manageEntity": {
    "action": "Update",
    "entityId": "241870892",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqkhlkbfkxvpkvnescfpg4z5j2ydxyu6a3ainetaf563vj2eljqua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":428156585}]}}}",
    "nonce": "0x913618c2251ec6e14e2ef396aa4a0282790d0f844f5a61ce9902376362c9f3ff",
    "signature": "0xf45c86a1b0de65acedd68264c5aeadc512756d9d89fdb922f1b56ff775d65ce34900820579892e865880fb1145f94704380fe95349290f195b495e0102b066361b",
    "signer": "0x6867D51E60764cD265E7aF8e4Abc08B63b75826a",
    "userId": "241870892"
  }
}