{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19f1f21b0e6d7e6846bf9963491eeac78b3408f164fd424ce6166b93adeafefc",
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}