Transaction not yet indexed

21Xc6MhbvpoBKPtX9T3zBPwPXjMMPPNZVRCYTudiXiXTnC6xLdYi72pLq9oCUBJp9QLrR2iMXvhKFCVLi34mncZv

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