Transaction not yet indexed

53BBQm8r4sc8tEPHQv8ZWEHCZG2F8m188sxYFZyW2UdWnsMjg8tk8qdYqv7UoEiQ7i9yHq35VyJhVQaD6ToHvh71

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