Transaction not yet indexed

21Ubm8R3hrJr92TvWFiRBvXD6SFzcfdcfd5xJNXSMP1P3yLPMvam14GLkpAGvb4KPecUBz2qbtEUKnj9c2VeqP9N

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