{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x105362bf546442a2b0cdca5edb44dff1eb209d43a70d3338bb966b66c3e7e2b5",
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}