Transaction not yet indexed

53n6VcJ9kxsXFvKBGbZCQqwddBJhEXYpVu3TxL2gghLtNhVMYb5dGQDwmzXDqpguTfSi4TU4oaKfzifJxDWFcSM4

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