{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x748730265cddb261cd893d41537e025bb3c7d098491b0f3dd5fb33be1e74d2c9",
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}