Transaction not yet indexed

C91ZTf89zKU7KJvKZFsNUz3MSkw6vfqmFbCFCFTXtUiFMkAGef87E4Cw2wQuirV8G2z78x9e47uPsy9fFw2jWh7

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