Transaction not yet indexed

21tKntU9MimfE1tbcZdE2LkzAszW9bVsb8JnRXKDLk7pkgYF7P7zEh6vjWxAV8XrmCu2ZNZvvA2dAH2i7DQA3rNg

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