{
  "manageEntity": {
    "action": "Update",
    "entityId": "13589021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraraf3ukpyqxcommjzoiycafrkt6mrhvzynl3qsi2vn3zxuvkz674a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":323987660},{\"type\":\"playlist\",\"playlist_id\":1014079056},{\"type\":\"playlist\",\"playlist_id\":2145156090}]}}}",
    "nonce": "0x40b0898ed87e061f260109767ec56d4eed3a334b89561d384ab1153831e3c788",
    "signature": "0x3466be033b203df6436f2606af3dffd008235a03406fcdc99b5b784d8ce0967e7cb880c977bc796dd67d6c4cb145b14be6425194e0692107b0f635653e9d15161c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}