{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd847b2397802530a142e98a9f9aa1515ae34e20ae9fc7b3e144d1b2f7e58a31e",
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}