{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8ee57711a6ad62d4ebb7abdb9ef5fce50cb169d7ed22f74749fb031ca8dee000",
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}