{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x64e6ef9cf1d00d0bd62378048cc7e91a677976d26e85efc2b8f4a9756addaff3",
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}