{
  "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": "0x4fc1c7040b891e78884ab3a7b420b3c6a0531974d2dac0b580290916dea811d2",
    "signature": "0x7f0a5443c2e30a2193f3f460cda8d170396f7e5f59c37bb844f1ac7aeb2b53284e7b5239aa54a379b5fab094a23aff997d69e8bab3ac0d9dd27ed1f556619d0e1c",
    "signer": "0x6F272bE0cf1929131937536d1E57b571a5bEd994",
    "userId": "477662771"
  }
}