Transaction not yet indexed

Ec6ZFkz6H67heHEk9VZPVXj7ephFPjj2n6ACuVXHtamHAB1jfDw3avTG7fgECTcXSci9M7c8oHcS7FbCm8kp448

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