{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9e75689cf6edb1ae6194594a61ecd33b22b10fde87e324e8c529ca37861f90e9",
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}