Transaction not yet indexed

Mao9EHFXnsY3Hq4ZAUY6PLmE9hXrunyUWMXsPSu31A5o7uf8ZVpP2VwnNCqqh7igC5F7n32H3Q4tc5hbd8ccfxm

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