Transaction not yet indexed

5b1u2Zf2uu8rQUXxjdfCpmcD1R57dNM2oWqrAmRFv6vkxNGwLAHbfbUvzdWdtuaT7v6nPsyV6wH3y8rcTJzTY3G7

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