{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37f2850ebc7a2dced5f7fd224ffd4add549c40089fe771998963cf8696bd1203",
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}