Transaction not yet indexed

Nmn6WRSd8sRm7MhbvCpuTtQ74y7cb29yB3im1M3z11nPnnAF4cdVo2BWjydm71DT6BwXFbVBqZivMoQEnQzQMgY

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