Transaction not yet indexed

Mb9Bwpw5aTgdkiAanLuQTdxDfvnn5JrFWoMQcSxKFMcGe3sqLfpj3NXAto21KC2f9tLFcwbsNQGZrSwyCeDWge2

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