{
  "manageEntity": {
    "action": "Update",
    "entityId": "130378018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x14476670174a413d659d59a2fbd995b0de803569ad266e112cb87bd9c6affcdc",
    "signature": "0x27a4b4d77154a605b150d0f37360c5114d6fc45745ed9853f20de7a39af722874fc27b90e70bee032742e32296ec9f303b82c22a5409595fa5e80bec23129cc91b",
    "signer": "0xae6A06941Dc387764CB144aA1A9AA46fccF6236c",
    "userId": "130378018"
  }
}