Transaction not yet indexed

53Ec2tDVCWkHruXPne8aNVCc8AYWFmYwSMPvW2iGYAQ5hcXjE91zuEgWwzkvdzAgFp2gWEbNpiqBGTbDP7AAMyZM

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