{
  "manageEntity": {
    "action": "Update",
    "entityId": "466712647",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x82ba65a8e7210468ac52df38eb289fde36d468e770729e38f9d99b9e15f1eaa8",
    "signature": "0xe13d1145f679179446890c681c42ddbd5100d0c36cbeb1df85e3d3c2130661c36dafd4cc440d0dae4bea638344b2e3a698546d682f87fd6dd72b2f5972aee7971c",
    "signer": "0x2aEfd63D93E143ED5DF78f99fe3DebDEc6d51088",
    "userId": "466712647"
  }
}