Transaction not yet indexed

51ff9B8XSDVQmqJ5jpy6Gc6XjUmCVvysZka1hkVM574tMoYi9CU7kpXj99RVbF7BipHsEcsxCBtJSFtGX4rGmLKQ

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