Transaction not yet indexed

2CouEybkmsgJi6BrYNCQ3fVLP4VFBLkqQdHjqSWGrR49Ac9L66kfbW4GMfKKQCTg2duLfH3XzFzx4pfiPmxwJAiG

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