{
  "manageEntity": {
    "action": "Save",
    "entityId": "789098339",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7582eba2e64eb10bd02b42320c0876ca17585a3bd292629412ecaae2cb1c493c",
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}