Transaction not yet indexed

Mt5mipJ2u4gYEvTZ3oLrB9ndZi5uekJ9A5SsYMXSJWYng3fyx21m5tgM8Qnvpo13aG9ySFKx8gLzYLRrugWmF38

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