Transaction not yet indexed

53cx4vJM2om6N1fTFoRd9NDMRCSwbMW7mkcwvUCD6gstHVtPxEFi2hbq748AbU2b4BYLMHdXVnQu9d7KsscfBVN2

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