{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x01bb31ea71d829a778ffa21d3e66dbb1f7df80a1abaefea539cd9c696046b378",
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  }
}