Transaction not yet indexed

55EpKUUQUE9hfu2Sc4CcwoiQc1hyAzHFUvsjuwtXQ4X18k1xuCQS8e6qpXVxKT1S8S2Z4ePFdDXbCbYbxu4QkvcS

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