Transaction not yet indexed

21AXZr51YGVV44Vk4eJmKsFQjGNAezDusbSyib6rTwLPRY7kVhkB2cpAe1dEQfMKFkZS3rZ5qT8txP953xDBx27C

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