Transaction not yet indexed

i21SwpcuHFbsR9imcHzpehRGvCLPP8A4YGYcnPwBPLYBwbDsFdHVgF6rJr4Zrwmyk5ADCaD4TE2utD28gviN1DH

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