{
  "manageEntity": {
    "action": "Update",
    "entityId": "90451563",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xecf0fa1b8d8d09d3b94ae4eaeae34761864fbeb95a3815a5f7d9dd9db04741af",
    "signature": "0xc33c884bdf551dd807b4142ca1396ea6e5f4c0f36cac959585f723ad6e5e550b26dee9f20c00bd6c7035c8ab40ae0870bd9d1d56254aa7d64bb06ce2c23b51e71b",
    "signer": "0x661Bc5cB13B1AAB08ee37c33282f87b7021025C6",
    "userId": "90451563"
  }
}