{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5743c107acad437dc7317795c9bb8a8517ead695581b2e66ca3a77da58b02ce2",
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}