{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e5b9d716ca615be2919807ba13e87df49cfe9ee0971f69b6f9d2b7db53df0c9",
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}