{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd2e5100091cb9442cbb0a7c059319f2ba274a741ce4f33664f0b68ad7b9ea030",
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}