{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f64613dd67cc9f9893d9c7119e6e54f512a74ec63b1f3f8656db190dccb2d4f",
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}