Transaction not yet indexed

MWfNgKAggLyMj2YicWLPdaSVVuR2HH56rUkDbPYgzdfH7fSKCP2Bx5bvkJxyAi2iP4Q2pzPXS5WxSujAGXFW6Ni

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