{
  "manageEntity": {
    "action": "Update",
    "entityId": "790313179",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd98b821581d0520498e0647cad5332f8bfdb749e6552a024d851d4f6192e8130",
    "signature": "0x659001cdcba3f2cc15b0080419d8a48787ec82f560a144dfa7c5ba6c23e3de6663931d660cd72b5fa5b4f6a01d8f17c3a6586a6546440a691991ed9643eea61d1b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}