Transaction not yet indexed

21ZXK4gWJtzmL9w9w5D4Kd5AnpbkTPnWaP76W7nXwCca76xWQfrzjrnfzL7z1q6gMQLGbciiAM2VvZSKVMUR8Z5k

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