{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8ee4426a066b8c0540e36e6aadd5d62997938d5e9241ade50303d29ac0753c4e",
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}