Transaction not yet indexed

5b1ExcqMZSaMjqTcbBf8RTvAk6NkqeWFvztnfMhPusEHmoX9dfNdvXfDgHLwAdukEsGF4TJ9VwWiQ1QXNgnRb2fR

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