Transaction not yet indexed

5i21tc6FfFKZvxV85Se8mptbjYGpQLcuK8S7DqBUMkbUKRuQ2iLFrQT7yUJrcepDqMcKdYPZw4N4vTGwSQBjEhKp

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