{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6e74d3539b409089eb90362b84bc1b6a991ea9f21652dac19b90944d089f8d01",
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}