Transaction not yet indexed

556NnFEfWjadjVyp7sMfpctmq53auf3fn3aoJscPL8XMYSPkPwvDn4U7Bo2kBBqtvUoFkSL2yAQTfVRjvbUT4E21

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