Transaction not yet indexed

21mb6D1ctoHiAfNN8VBCWDvC4c2Nne5a6LFhCYi8ebzhJf8geA9FdKx6X7PG1FG1MBNMbDFTcEhp4JGSyyCWVCG7

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