Transaction not yet indexed

a53dM5wSCsYWdejJzR2C2HpgaBfUEQd3Ad4DpSbTYKTUGkw9sRaEZEJEZUBgpA3ssZKk3hjuMQfU8TtD3d871Md

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