Transaction not yet indexed

AK53kj1VQUBLFL9MfsWzuys1BuDnwixx55vi94eEY4ZTZmXqWiTsEFbnLF96gMsM1Uo9Azu2UD9sktJEHLVJPYZ

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