{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8c8032294a62a3fef9b7046e95160e51d72b55e1918dc8b47b3209e2c35e65fa",
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}