Transaction not yet indexed

5b1Co9nbsZNQFnWbT2ARUMzKKM9uWkmj6UB37e7SUhhfWtP2LtzsUVuLP1bsEcdUvkDSkddDLj9vBiq5XZkkhHm2

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