Transaction not yet indexed

a21bC5C5hGUYZTMT12QDeigNM3MkjCpxf836Q5AGLRq9AZUZkGKW87a6MLR35Ve1kPgefRevMYSGpQfqq2NY2mX

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