Transaction not yet indexed

aMTGwu21zkeZNEN38yET4VGMTdpfjnJxpCUqfG7f99YnJTEPMDb7QMa2yKDuSKwfG9njwv1RprsDHYzCE9LanH4

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