Transaction not yet indexed

tS91gx7qE14eSCg36CbdHCERHpHBzD64XUEH8hZAenbJvuNJXbmdEd5kHLWpeCeZ7Lqjm3rZQomLFAss2R9eZm2

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