Transaction not yet indexed

i6b8QpqcuJAKPDXiTr6oiZVgVaJPUgrNSJtWE8sEZhZHebcpLsAsaRCXodDC92n5KLuDZykg6nbMnJJbmdMC511

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