{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfee4235ef80a2c53b0e5786529b501fa7e75f81a9c9ff288aab0a5e105787bf2",
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}