Transaction not yet indexed

k64k87Sr38eAoeHooZsUd8cSG12T78m9VyMew4mCGFWBdGSXwpexBTDDLN9PbpePJsafQSkV3E2pf2U3ZMF3Why

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