{
  "manageEntity": {
    "action": "Update",
    "entityId": "110384063",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x188c6ef0bb419a8c13adb8feae130e888d4f181c7eb6802f7cc41fa4d473dbe8",
    "signature": "0x810be7fa4fcad6ef2422b6ee035dd952db6babdf8577cd4d3d7604848c0e3a8029893548dcb1b00ccef08da0580e4f54803045e5b1d9fdb45518daad13fa3bf21c",
    "signer": "0x3124ff58F84BD5C69d470F5f1615D8642b3d988E",
    "userId": "110384063"
  }
}