Transaction not yet indexed

ib6CVCUHWuv3J1wFuyyjssqBbssQJ3XQqhqdRjupRWqWTy7mdPmBS99WNnXCQsJ7vZg9FTn7SraYNv2v7u2rU18

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