{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc663d4e5fa5c5c55c649921dcb617a426c56058c0581b0a8c0dba5234f3e6a2c",
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}