{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd4ae988f685728a374d5f9e2a54c6a8f956205c12896d8e57f7e10987a29f12b",
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}