Transaction not yet indexed

M643Soc8JWctftZc57uSKYWVwZanDHr3ed5XGdCoi4hpqhR8JBBNftghL5vZ6qGNvrrVT3V1CC1bFdqFDZFrsx4

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