Transaction not yet indexed

53NUQmL6qABpk2sgAhfrtjGrb4h8SunigZ4wUxVsV5r3pnRybTo1AdVrQJppAQfJEVLUE9FEeqs1SqWCqGqXUdKD

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