{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc0f4b13127789365459a2f23032149b6a80ea8dea5b96b8239dbd6f856fd1d95",
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}