{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e552905b27395be592402d1ba3876f67fc1ebffe4d80a30854d2f1fefa33c8b",
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}