Transaction not yet indexed

21LmhkjR62kHnV2w4YKZ5uMD8HCfK4yJJ1nGff1HiTAUAQp6D5RXMvPRwebP3THBNE3ATcn2Fw9sHbX5UpqT4iz6

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