Transaction not yet indexed

MBpnDoW2hwsJbdgLfzrjoyG15DwHtKCvZWS1XV84ZfJ8pEqYvbzLPciiUR4uxCwKMhncvLEmifdsVQCVEN1pB55

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