{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x45e4df4abb966222bc7f842466c7d79648050c1d68f4f98932985a228ae845ef",
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}