Transaction not yet indexed

4R21QfC72zps4Ut2JoFRF2BMeGmeGLbUQaLhzLdmv9WrftqzVBptLv4y9w54gYXBBQSVVVSZ4u8dx4cNFVBV2U5m

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