{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9a16bdb978c6b10ec3ded48e22e52801e5891fc101e6eccd606383f42c897f9d",
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}