Unique data by referencing 2 fields

Hi all,

Would it be possible to get unique items from an elastic search database
that reference 2 fields for uniqueness, all while using only elastic search
or a plug in?

I.E.
Initial Data:
{
provider: "tumblr"
text: "I need to get this."
}
{
provider: "twitter"
text: "I need to get this."
}
{
provider: "tumblr"
text: "I need to get this."
}

Return:
{
provider: "twitter"
text: "I need to get this."
}
{
provider: "tumblr"
text: "I need to get this."
}

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