{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3ad6b137ce38e1cd3d074c996bac2b6504b6e5fcc71f93f06439deff78b44bb5",
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}