{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0d3352c636508a370c4306e38b1ee1053545fb99e065fb28d8bfe9fa1fdb926b",
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}