Transaction not yet indexed

55DNPzUKLmqzwAn7ickQZq5T7GATNkCYx7DRKUvkDPQGmo3nLBrmnBksAvEW9eHqQDntvdNB1gfU7SB5UTDJbApy

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