Transaction not yet indexed

EXMtkZaPS1C47CQRfE8y6s4oKCqcjfJgMQZeSLpyT5hxCVPUbjTqy51xq1hhVVCn26faGteSC2zq1XpRPkWk5t4

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