{
  "manageEntity": {
    "action": "Update",
    "entityId": "241870892",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraz7qgwdgehkwhun6ki6z6mf5pbu3w2mzi666twrnef7iiotayjoqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":428156585},{\"type\":\"playlist\",\"playlist_id\":1462672773}]}}}",
    "nonce": "0x69463e46b9b1ee7e202feda35223da6ae394157b0427ed3468cfc079fb589b5b",
    "signature": "0xb8b0f2548d9d2cd2c315e49ffa73f4a8f37ad5ace03080dc31d8a6a9c31686144b8e4a77d395c92d45f15416c341a88472ed9975fbf34bdd5f4d8cfb580f500f1b",
    "signer": "0x6867D51E60764cD265E7aF8e4Abc08B63b75826a",
    "userId": "241870892"
  }
}