Transaction not yet indexed

53PkBSeQLkmUUMMTE76VuUgrdBjTmkwFgGppS3dHHd9ymGsnaWEuCqgMP7S8Qe5EtSqgKvgEMb6pC9cnaMDT7CT3

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