Transaction not yet indexed

1TmamnWeMGqL6oNM2wqQ3JSDUdgSDpVkPrLphx2CMqGATqpTUsDrdXXcLkbVUijCswYT7cXuQncFc9EcFtrDdhU

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