Transaction not yet indexed

NU6bVhmVyaM9VHVich9reJaz3FN7xvcHpL4yxY244NAYT8X9RAtC8CGTNCdCXB8nA4xPCtGHLFfDA8bZyPAPopn

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