{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x464f82089c62326de714f20a17b8799ab343be58a4a4b217e30acbfc1543fb31",
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}