Transaction not yet indexed

MTC52DgHf6KN1YYmJKyjCyQ2GoF49dwtk3cvUU8uunknFoVd8QS2kSgmTNp66KdDo3T6GEx7BrS9WS7tACHJ9ab

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