Transaction not yet indexed

6388RbAnazB9K5ooMvW72Z2rBCd5uYWyvUBJZABLjGNBi9gvf3HaSLqeNPRbysZw64Je9MhXmcEMzbBDqVb2e1z7

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