Transaction not yet indexed

638Tz4ExkSeYpv7TBZYbYDmw5D9bqn7JUphu8xeKL2UVsGyh6UeVuiq4K4ChsgtqtXTb843cqHE2omzpsTbL6ugp

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