Transaction not yet indexed

53aJbnfvjc6R2qz71MTkUvuvEiuK7mavFpkgbjqmAYnKQYcp1vrEPKcYXHLL9bpFrjtf4SyTVeFHmrbLphtBCZN7

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