{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa9de0045db6e227e61308f228cfb4ea26d9f95abc72c51ee1855607cb192171b",
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}