{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9d863235a5d8d7911cda16db89881b719d94ffa74178c32b164ddf603136c64b",
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}