Transaction not yet indexed

TC91QXVbRm6Ao3vSDaddPyAMR5aMNU8fRYYJgjVMgjjg4rJZqMUZHUcEWKX1yz4fDYfVr4pBKnNUvjMaubZ8oS8

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