{
  "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": "0x1dd24dde1a1eaf61b1263bcf22c0b3a4820a60aa23bc71d4db136ade9b9c8878",
    "signature": "0x266534cbc498a214bc2faaf1e1dbcfac7fe74f25cc267032968747bba703ee2803b38005d939a3e750706cfe70358355fe7246f0fa611c17ba657479c0919d461c",
    "signer": "0x6F272bE0cf1929131937536d1E57b571a5bEd994",
    "userId": "477662771"
  }
}