Transaction not yet indexed

51k6mEu7MYMCPX6gGW8wWPurWZesvEvf85APw7tacN2bKK8HqYCkNvnS27bC95P8DmHgi2gFTgNRGBCDUud4HaCx

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