{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x837d0943f54072965a8d4dcff5467b7096f15a3df74e7b547922f0c6c66f27c7",
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}