{
  "manageEntity": {
    "action": "Update",
    "entityId": "411601754",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x72bb91b4530ca0004035f470337012b8b240d5ef1262a11f775e52ed41e3d986",
    "signature": "0x891b1e945f2bccf4dfcb87e81d43508ea9f84177ded42f87c57895ef234c26d901ec3ec6a8444046caf52dafe3788417c2616e8b0ce6495e93178d4165075b461c",
    "signer": "0x71A1c2456953F42897feC64E0749062570eBBAce",
    "userId": "411601754"
  }
}