{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x750c7e80ecb5d166a0827475b959c9e29c583cb7b2a832329d202b60680cd7e3",
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}