Transaction not yet indexed

53u6PGqdRHxgSWsAVS3MvFgQvc6sNKAwZF36Kst5uVCxCSy46MxLHKZDNMHv5D7csEmqoRjkFFvE5BetVKyDwz2M

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