{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x631669de4e8e2fb799fefa37c1b0744563ba08b967e45b7b37d280858c382b43",
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}