Transaction not yet indexed

MRbCJnwByUC95ipp7kE7iVfxGsYfXkMjH3gFdRSM4VJwEXVjqrjespqeAePWNMoJtvsWvAR2RMd9Ha1HTBq7Tp7

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