{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x621ff5d9d6095c6b9571a1babe0eaf46f1598982f84dcdd0e01e27ad94eb30c9",
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}