Transaction not yet indexed

Am8a2tUKxqPF4mhiwirT4vLVnFDS7YVnxP8112fAXpndd8W2WbVM3BtbPwPbMdRAfUEe5SycThe7icbKwPpEvs4

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