{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x546171ab19255da8f2a2e39c35789242d9d68c8f862821c9cd9ac8801fae3aa6",
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}