{
  "manageEntity": {
    "action": "Update",
    "entityId": "867228805",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5gnlxsf3pq7fqbduwa4oijxliww43siugwli7feckjzrwy7jppka\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":97037879}]}}}",
    "nonce": "0xfa6ddc699a84c8d8caf2023f6588598ac3bf0b271cfe4cbab7d37390e34f35a5",
    "signature": "0x1ab51ad5bc31c274204d9b07d079e9ae9ad1324b12f29bebe280c47371e593ee35bcef4159a981f9f95c5ea891ac25b896d1445bf49eef4b99c9d2244981706b1b",
    "signer": "0xe6224D8255499377247ca6662DD39da25B83be67",
    "userId": "867228805"
  }
}