Transaction not yet indexed

MY4grBqHerE2Z43f4XfGo6GoaALknWduHBevm4FtUj3Jv13i9zPbNmcnYg9bPLcrsbQWAH96Lrr1zNutmRMu9mK

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