Transaction not yet indexed

ME6ZkmSwDzsW1E3qGAe3jYjXXW9yKPrTtU7aLuESDZkreEPmZnmTq4kVFVxuiv2Xx19YYXXUKpgazxrfp1puwCY

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