Transaction not yet indexed

21Mz7Cn2Js2yf12ZyHqDBoc31o8sSLt86qAzWxfXZUEUSQJLsj7YT8KZn35TQZgqF7mtPt1TbdXfDfER95D2fXL2

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