Transaction not yet indexed

21Xw2kb5VxHQS3tJEdtyaVBc9SCMqwsy3hvBTbDarrTcvmN1B1gBEAbWTAtGpfr5H9WQ8nCRVrpvmZpKv5MAM7GY

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