{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8cab870c672a9e095571213dd5b1342a3a0e849a724c6167ca53b04443cf7e5b",
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}