Transaction not yet indexed

mckEx4mFA9tFvgz7BPeVuhGuW3FZT3fZQGZwiRGQBiRGjsd4jZzv9QtfB6kocDD6Weg6YSYx2Zw63Lu9xue6Ydr

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