{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb7b559bb565ae4648a381108d61ff0445fbe3e1b061e15ec1ea859df0b3afa73",
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}