Transaction not yet indexed

21iKnU8s1uF9YpMmaBkZ67cgafb6AGmzZenbHxK5jLG28AVEmLmPc2RbhCS5GEv9kgvNkv8L6aJKPTXGevKSJMP3

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