{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9b99fd89181b0338afd6cfa3e05099fb371525c59ce999725e3730db29a0b5f4",
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}