{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc4cad0de7b2e6312e3581dd5c3f8b37adf483b9542d9ae06934cda398bcdef3a",
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}