Transaction not yet indexed

53b6MPQSSJTtDq182TzXtrZppPvHxA2hC8Rqpz8qLd7NYEnWU8W5YE1paJVZM2o53eYSqBfdSAySeQHuU9PC3zDD

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