Transaction not yet indexed

ME4cjReaUPMXamMC4SWJ92NsAMDHiweaWDumzj6Ejaz9jb3vWmdw4RjAVYNZQY3pX8Ukmme2aLiiFV41EBc7Gdk

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