Transaction not yet indexed

MYkUKe4NA7yCuMB9EgNcuh9CoRCEnJY6FGe7mrKVfyG2eQ8P9A5SLdp5UDts8a5mkbdUUS1eWBjRfgTrzJkXULi

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