Transaction not yet indexed

MpB8fFvmEWgKAjdhMVV1dPgUTVGmckL1rHJLvNEcwP3dceo8moAoqnfR1f1BRLUsM7SUfQu2JVBvyHJDf87zV58

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