Transaction not yet indexed

53qu87eTTmQQDtQUKtVTfU3veMCYQSTEQPCDtCs18TE7mxMJ1khSR8G9qDDAjAzQMGHdXVmrisbdZNjPqqEapFM7

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