{
  "manageEntity": {
    "action": "Update",
    "entityId": "479039338",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x32442042ad3b7631885693f4bdf60b65ef95f2ebc618451901bcdcf41d1ac5c9",
    "signature": "0x3cf871d1bbe80f1a8c4f9c03bf9202aca29bb69aabe57d28f07607101ca3faef46e2f54497b436a75b3fe48818934dd4ba4791f6cb94b21c5c3407b7249799fc1b",
    "signer": "0xDA5EF39662B4ef70B52C25F33b5637165C93DE3c",
    "userId": "479039338"
  }
}