Transaction not yet indexed

AmJnwtSCrUEhpYmYwEFAuuka2boG2PW2VLK2AqGhtASJ7v2K5vZrTnFVjRdYoBXnaWyNL7f8uiQGUyeT56u6WHm

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