Transaction not yet indexed

53U16EKn9o88CGkMjDTQeefzXd6bNaXnf1H5TNkm1vnwZzyoHJwLE6CUEqpKMgusqR13f3mwChrHmTiJKJPYR3Tp

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