Transaction not yet indexed

5u66HVBzzqHF2Eh67m61yT2ZCpAi6hK6c6HgUL5bs6hKMr6naKnMjwFeptUSJmXePwNe9kTDXKveSBBGHAcuFExf

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