Transaction not yet indexed

21b4aiZdEZKMe6QUfgQftF1UUUPGhQCAhymcu9P8t7WiTL4BYwWXMnKK3e2XZeyMpkDFGtFDrPjC7BXaoVxbUtAM

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