Transaction not yet indexed

53i2AKb59H84s4w9pgbW7wfYWZMQCoxwLH5MEkZgYgEMY3RGQs8BiMkFMGKBk9dPzSV3PfuJKs1KW8iwLYRbSet1

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