Transaction not yet indexed

56ArgzBKjh4eJ5g2638DQRvxx8D9H6YGdZBqcVAZbNd267F3ZgcFNdpMAy5ve2MW9dboj6ZA87V3QdjB35R4eZM5

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