{
  "manageEntity": {
    "action": "Update",
    "entityId": "425430290",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3dbrpecrax4yhxnz34mmkc5jsyhimxa57adp7otvyty2li22s5ra\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1692281936},{\"type\":\"playlist\",\"playlist_id\":1596900832},{\"type\":\"playlist\",\"playlist_id\":1732176183}]}}}",
    "nonce": "0x60fd2619b7467c3640d39e52a55a1be5f1a417922148739e7d5b13060eba3b1d",
    "signature": "0x1d4d05514febfa035635c23f00cc138fdabdfc38159ac494024029685fc08ab31ed3ed6cefbe57766000d516abbf16343269a4f72e4fb06da62f5b3845341a991c",
    "signer": "0xa34Ced4F52f585b36D7A5c2e45906594B875e6CD",
    "userId": "425430290"
  }
}