Transaction not yet indexed

21CLu4a6UUuMNNtjzCfmRQYQfU8gTLVHVGtVvyw2rXkGWXV9JdWspMer5M1Amg7P3RwqaM2LArZN4nmjTiU6emf3

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