Transaction not yet indexed

iYmNEX48UmANRCZhcuae5kEvLpM3XWVeZuCVAEmJgQ8AqZXBBD3NP4ZPFQwWjvherfsBu2AN5qEYjx8xaMFyPER

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