Transaction not yet indexed

53apa1LpEYR2khyEfPW2UqgynVRcddSP6eDY7iu2EaYpwZdYd299rGY5YXeqMsdBq2huxLCMrLgGKFEHUtNbsLA9

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