{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ab4172e5d2e268dfdfddb3ca958b1756c18ecbff20e57fc4943491fe47c0c6b",
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}