Transaction not yet indexed

53cd91RZqJ3yUwToPQjVBjAsf3SAZ7kvmXMvxvMTsTrNVmGPYg3DApYmKP3r9BBFUQkb8qAitpXiENkkSSmG558G

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