Transaction not yet indexed

MpCv6RLJDQ5Eou6gKhaRvCoQgaAQQ9R4UBunS9rFmn7v2PeaaLb6jnTNdpnkhbP6Du46hbgMjTuhsQAXo2Co3b6

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