Transaction not yet indexed

53ffQHRLWmNqbfxFqnZD7vVdBFBcYeLbrpFYJUErqNF6w6vKsEm3vsqQxWH7AVm1af3PVprgybD2HxFXJbqreaxM

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