Transaction not yet indexed

MTNpfYnwEUS51w1nhPDVdZC7YcXM2vUBzufYM46F7ALGfNfVJAcd3fJDPqc1Bk45B7NBAokUoV64onk1KG8R2NL

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