Transaction not yet indexed

RDBE18JGfCaMEBTRcbcmFSRdU6sBqAT4HFuKET4LzP7vKp8Vv5roQHJL1tGJYUZWsHF5W8e5Sa1531usExcispU

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