{
  "manageEntity": {
    "action": "Update",
    "entityId": "505088404",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierasj7ejlnqwuutynkexbamx4jkqgrk2xxoxkxi7a43bhdofcle2gzq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":162811379}]}}}",
    "nonce": "0x46fca991fbf40d7c05612e2edd734ca83e8d4b1c95d8ad620bbbb751fa46a7c9",
    "signature": "0x2e5b054cfa01fc0c1c63d6813b080a52863d462b3e3fa6edea86f5220dbebb6109561c9d948a20e8d2c63704d2a43b02c2dd1c5d47ecb213ce09b7af22d926701c",
    "signer": "0x584E14C286Fbe3d7d725fEDb4a87e9336366de1B",
    "userId": "505088404"
  }
}