Transaction not yet indexed

21FdTSJpmMPgi3n3PLaNHzzczfwkPDBwCztdD53vZt8xY88Q6SfuXKewT9S5CusQbdoKAkFv2fvd1GsSCMQLMZL6

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