{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x469fb4bcd9b5d0a11150961d8b6bcce25705bb420f5592c963d389f1b838ac6d",
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}