Transaction not yet indexed

MRkNLpgqVjG6hb8uinS8uVunDrigqJs91q1xSJYRksYiJ5w5tgpN2BPcwnnXscBpFY375PwRFxvRt9aMzH8TLf3

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