{
  "manageEntity": {
    "action": "Update",
    "entityId": "189995856",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5ovbq7sexda7u72qvtfompkiilnlc24znsu74yu633p5neflskua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1716881204},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x48076c18da0b2270c53b16b3ee0250cd0b3a39ee64cff20b3725e9c4bdaec5a3",
    "signature": "0x6649ccc7d8ceebbe8869d19a6702c7fd31e86ed05220e97a8aa2adab544acf6b272e94643a19904cdaf20f56852aa15d217087c2d9f21dceaa9e1a224e5e87591c",
    "signer": "0x49ea1963bD0698Ba4421742478714fbFa38E0719",
    "userId": "189995856"
  }
}