{
  "manageEntity": {
    "action": "Update",
    "entityId": "587027717",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierakzy3cxy4qe7435gafm6wy5yda62vuve5hjwj6ilqwasgb2qg7nea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1920897380},{\"type\":\"playlist\",\"playlist_id\":1623693722}]}}}",
    "nonce": "0x111403ff25e6728ef3233c69f3236208ffaa0b292f19236a5551de0bf3594e2f",
    "signature": "0x5a4a8adcfb7a9c818f73990a18310c89f721b35733fd3d7afb9bf8ba888c24264bf05d31ee1728f6afb8147773ca3094fe469327f29cbe7e47bb1c498420f8c61c",
    "signer": "0x157D6bED7bB7A5D2bA4DDd2353158798F8744aC7",
    "userId": "587027717"
  }
}