{
  "manageEntity": {
    "action": "Update",
    "entityId": "791695051",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8251575acf306e555896b9eda2acec2a7ff019b412d6163b5e069082f250530c",
    "signature": "0xf43c0cff577ab3cad10f83223eaab2f66a97bffda30848d8cb6eabd17fa4223448d8b5ec47c9cd4516d560630b52634b798d7e98b8969ab2a910aa0d9986375f1b",
    "signer": "0x95294e8499c78AEbbC09c6DD136fA881446EDF2B",
    "userId": "791695051"
  }
}