Transaction not yet indexed

53fJiAqEPQx3SXsc1krnpUSKSiChv6tvLLpuo12XMP9iMsu524rCFUWNF2eSmKx8Yx7xpD6q8yTxX7pMUWUXx1um

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