Transaction not yet indexed

53c6CLVKzbfAU7V6HAUXpTXjKbdVdr2P5AAaEpAMQs8sYfTRWevEnks16pF4MjMAkqMiEgGqG3nPMbJws8E9USgV

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