Transaction not yet indexed

21k7UWC5CYRQeLQLJ4zkHrdyHWgvWxFg4NaPdqBwnNERif4p6rgSLwL8jRVeeckm6RDqzP3ASCaDrThcD4cK4x5k

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.