{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa15c76512ce6a823a3906858917ee61f45ed4c8a1401d87ff506459b4c815c2c",
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}