Transaction not yet indexed

XCLkUYwkmhh2CAvNj9UDF4iaVeGkovpZ4PdoTc8ULB9zyoZwjy8wpQTJLHVHSkCA5PF8STqpAPMRyE16jJHbZCQ

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