{
  "manageEntity": {
    "action": "Update",
    "entityId": "565957720",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbcf9b1e23c75baaa5261c15f648bcdf9919f461dbeffaac2c4167e71e4891cb8",
    "signature": "0xe47ca27fe332473b27e6aaea47896861fa066b75cdc605630fefd5fac0091c8e4b67d698a4ffb20b47aaace164aa44aa954971ebfe9605b3ef3b3d8b0616f3ed1b",
    "signer": "0x5aA9Aef60E37A9524A78d9969Ada9b8113513D4B",
    "userId": "565957720"
  }
}