Transaction not yet indexed

MeCSrLnCX5kwApBcMZ11jmTSUAGaqYWmU85YmEr6wRWcGYE3moCLYZaPJJoFQdeiYqTGEJSLP1zCwBLv2kXc2gN

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