Transaction not yet indexed

5STsimzykJaEP4GKGPKqVoWfAxPphm9aB4jvQLjPtV3udXWK5mzbiL6A9ZEqktnycbFCJDbfQ3jnhRBo1VemkQKU

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