Transaction not yet indexed

21sX1NhzvEQKBvrqkWL17wL3Tmi915VRtE3U6SDf95XzLnrPz1VFNbqdrzHHLh5dJLKgrtkZNpd3aZwb3o1deVM2

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