Transaction not yet indexed

A2b15BsRt823otfp28FSftKvfifoAbJiEkGXEFKSCHy4YjqnLtB2MDPPJ6mBFNEm8ZqtQPx7fcc9TMVJys2ciXo

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