Transaction not yet indexed

21tkWJjAedKfcnfM1ABkxx5Ka5MBFYXAMU5dkRjjpQsSW4QXwuHi9Q2GTNQF1M2wQZFCkimEm2WVgwAHz88w9RBZ

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