Transaction not yet indexed

53kLUJp9aGPrkERPVJAimgAgGvXSFYgDHZMMPwFgzKtCJaoJUWouKgc5GttUb4tp5ZVX2vWJaEC1iHWKApnwCHL9

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