Transaction not yet indexed

AMB7gREP8NPJiqZV6tXHp5ReZxQE6MGeTx4KncPu5fdHePtxYy7stTzrNrKaoNsW2PgSS2kUQvjDddLnQSSz3ib

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