Transaction not yet indexed

u4Ui2vqYsTCKoKeUjAZrp9u7J3UK5dxnVH2eSsiFq4Kb4HnBSeWSTvmqSL3DNWJrYE4QtyvLWTrqWynLzzjJAqx

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