Transaction not yet indexed

21kAMpknGBaeY4V4qzckLyFPj54wL9EvqHWCp2iNPD3JsnYA7RXwMFPeJsim31dGLugt1WC2vd7PspW8zthoMZi4

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