{
  "manageEntity": {
    "action": "Update",
    "entityId": "961992981",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7bacf51215ea0974c56fd4ca528dc55c364b38e694e3955d3e8fb3161508862b",
    "signature": "0x438dd059f366144a9b73fedffc8a91d1a2b3bdda23d6e4424eb12ffcce8da08d4b25b4f112ddde17386887265bcd30f552bb009790d3801aee84fcdcf1007eba1c",
    "signer": "0xd3bE8eCC66c827e870ed8642E6e9Cc04028E015C",
    "userId": "961992981"
  }
}