Transaction not yet indexed

664UngYq2qTExVJXw3uDLL9a9peRcPZgmLJDZnH3eNDSiY7NvFvhpPLX7xKAC7CGHn1k6fJzGeN65zPPFTkPbLnV

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