Transaction not yet indexed

MYM2bQB91YYGCfT3aMD8isrmWJ77ZiQde8ZMYZHg3TiaMo1Puv5ktYbghThUpiEQi4oQA9iPLL9GNnM1GPMXYhh

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