Transaction not yet indexed

mdxb187Zc2aNLSDvqxqAgSmZmr6yqF4VtficGsaQ3JwhHLNEHmRcvUjZHdJaTvZa3A3ibWnvHCCCj6md2iHhGSV

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