Transaction not yet indexed

56Ud5Z16nabxmqkVkJVD6nNMRFW6Aj5ZFBHmsXaDidkynsPbKSVjbXGXcAjBiUEf3SFXZZjBb3yDPuBRFpCSGhT2

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