Transaction not yet indexed

AMnLbpCjXzCD3UEvHZK759sCiJcHGstc9BaohQLWWXf4G6mizvdtXotdW52WwzxbDVymqVQYaRL8ZiMocYNshr8

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