{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf84f66d1582a6efd7f8197f38afdc7b65f8e0a73b233d0399236732a11eeb0a0",
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}