Transaction not yet indexed

MpDK3Ei37sGk5vUGXhwYNbbQqn36VJp772CD4yviwCGRHUMTk3qkUiXCmwc5aX16sHkWqK2Dk8xdNbrp3UtsFrT

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