{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe6f80ab9e8abe5971d4f0011ddb5b059a11fc6d0db3fdd2fc3a2ffbadd00032c",
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}