Transaction not yet indexed

53MffQUaKXqGYaKMDggvAkhM4tkBFnLv6ecDosVPKyVMCRMqXXdrcBT2bn7tC5xxAC2w2Kz6Hi7eRpdfCgvaVbGF

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