Transaction not yet indexed

21b5Ab3E1byPSMWQm8MsB1jnFgr5ZHJdu2tnEFRkA2qdhLb5AFjFrQrLEP22D2QeCed349Tt6JfPGe4cLzWMARPY

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