{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x29345f1f50b3aef55c9803a2bec8f80fc8fa6529a10656a965ded6e80f45a28d",
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}