Transaction not yet indexed

53UnMMcVkWrKxA4XifSQs3nbuCwMgbfcf9nkADYas1mdcmRvfpjGfLfctLBK17U3V8RdnfJYbuSLrPtK5sM4oCmd

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