Transaction not yet indexed

Ec6JUC3xQBhpCwT3jpToEBXmqhEe3ZSiPzK7s3V5sRQnHRSPB1A7dPvbcCXEapwm4TznkRcYd3AX8R8mNsM8Lj5

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