{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19a1af67667e2e11cf99e55f38d86518c05e5bdbfed463644b90ad5405a559b1",
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}