Transaction not yet indexed

2b78sB4U3DF7H6ZQJAtZtnWHeRHqjjRhDwGffB7Zqb6LLbbX2aXPJQso9N1jfXsT2emGVhiwQGjPJaGvsS6oPqW6

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