{
  "manageEntity": {
    "action": "Update",
    "entityId": "832024574",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6cd5358e5e1a84ac395b54bc797ec5e3df911a1775e6b92a413412b15f9e9da2",
    "signature": "0xba2996ec56216330d6fec9bb1cf7e91d683b9776a4cc1a4bcb658555a29368523a509852d44c66da98b8b2fffa2175bc71e15e96944f3a7d73a9cee1578254d41c",
    "signer": "0x51da829dBF72c8f3D38ed4Efe9E50ECEEA666C62",
    "userId": "832024574"
  }
}