{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x93bd77cdba333a67fbfd22808e12b4251f55090564dd69b07fda0d97e46c4ad1",
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}