Transaction not yet indexed

1MpRMSV3zdLLKUskzN4GU9jkkM1txJAX7KKngKFRABAW3b542Z1U62NsC8MbXN4RL3VBeX2WHDMeGFSMmXZtL3s

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