{
  "manageEntity": {
    "action": "Update",
    "entityId": "732135719",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7d2fe49c403e0521dbf4646a45b568f7a9f947025aff964a745abdafa625ae11",
    "signature": "0x38ad89c3c58c8885aa06f4a65066e59064be6ba0525b2629679dc5a82ac9569d127e2e0848bf2bb57a9da8acf5d02aa04873c9a6b9e05642d0dc9edcedb48c1b1c",
    "signer": "0x84D0f77A9C8f8fa0D9D5A2bCBcbA8a2b4c43F63a",
    "userId": "732135719"
  }
}