Transaction not yet indexed

MtEvAhi191d3Vaf6Ej7khfwPMEUtcnKo9NYEWDcu66E4MLBkipZXbtu2j41LhXqHGNAFbCpMmFCLLp8GoP1rRrb

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