{
  "manageEntity": {
    "action": "Update",
    "entityId": "477662771",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafj7d6asx7gvcm3xmdtlk5bkabarkrtw3chu5du6ggtgmoqwt2z2q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":781560851},{\"type\":\"playlist\",\"playlist_id\":1463865054},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1117144910},{\"type\":\"playlist\",\"playlist_id\":216173241},{\"type\":\"playlist\",\"playlist_id\":1885431838},{\"type\":\"playlist\",\"playlist_id\":1126320599},{\"type\":\"playlist\",\"playlist_id\":4629}]}}}",
    "nonce": "0x04433650e1a1f848ace16dcf56a401326d4b6b763fab65b849d7c1d889503640",
    "signature": "0xfb74e8d6e7688bf4cc9a5bf31737d3533f7a0b8b28ccd0c6aaa1b0e1d68e909608f6addd9643c42c6472ed08182f8eee248593380df71bb9ac4a0dae45bcad751c",
    "signer": "0x6F272bE0cf1929131937536d1E57b571a5bEd994",
    "userId": "477662771"
  }
}