{
  "manageEntity": {
    "action": "Update",
    "entityId": "270304224",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x25dcd31b58d578f2728a11a17f5d065c72005914e6b566905301e9692707fc28",
    "signature": "0xea970d86cb491bda72ecebb04f1becd220a66306a5b307857c3fb53d52c1934a1a8d33579d20bf96085aed9af6999d760d6b943a8af631ef296ea0e85a2cd8c31b",
    "signer": "0xC5d19ADEDbEaB0441693Bcb806DD45B726b452a1",
    "userId": "270304224"
  }
}