Transaction not yet indexed

6639pVkJttS4SBJVw1C7BmXf49LQPkJabUMBbWPjDFiuL9oghedwY1pW9HdfwpzU6UCRF1nBHhUT7bcPUBngEUjb

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