{
  "manageEntity": {
    "action": "Update",
    "entityId": "187114148",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraj3wtu6urdwc2tnd6hdoa3fjkp75ve3urglro6lhwnlscl7bxxp2a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":630533407}]}}}",
    "nonce": "0xf05346ea7662b4b376396b84d7d9d622ec26b932a6721dfbddb5ad7f589477a2",
    "signature": "0xd5dc68cd4927a672d01f5618a7988def4e2996805e262b46bf3e35e0534a5398177781aba252fe6fc048e6b8152f3a5c6c46279d85320e09422d175d7279651c1c",
    "signer": "0xAeD4D1BCEb1AFdADDb3924D7BD54c4ce0a89557B",
    "userId": "187114148"
  }
}