{
  "manageEntity": {
    "action": "Update",
    "entityId": "321784073",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb46ed283a72840024ee4de99814b9b90fb34461c45ef1e3c66dc95f592b5cbb8",
    "signature": "0x41bba7408d77ca9e3ad2c1550f4e64125a339f1c06038bf0973b60be211571bb713aefba385bd443c52c832f1c26d3491e8f2f0eac9cb38de4486a7440f75e8c1c",
    "signer": "0x34a55C466710c320347C9bb5Af1d24DC9D4C240f",
    "userId": "321784073"
  }
}