{
  "manageEntity": {
    "action": "Save",
    "entityId": "19011",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x12920bd8a453c76a9bcd47b9e30ab696704f8c585a2784f21fa20b5aee5f6180",
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}