Transaction not yet indexed

21T4u4vSdvfGrLk5YyFLM9xWmLASZyA5Xjw3LUSiVhseD1hakYnWZdKKxa8irGLAHLDPBaGeGcgpMmTpHpYuqb75

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