Transaction not yet indexed

53REMMDkCqZSAp4pgpAAVCShf19Wf8S5t4GpDF7Duk8eqAwwNtudS4B8ZSpDTLqu6Ry6dCvPp2kdQXWkKYQJwkwf

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