{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ef123503342a1ef1d7598ebc294a9cb3a9bb51c7f2c7876fd16de1386f633f8",
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}