Transaction not yet indexed

53U6oEAvht3YKEZM2iV8V1J2Cmdw6uJrUYBsaDbmB4CbMG8mqjhSYSENfbEn6yp6xDVsEspH3iup2161M3fstTcY

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