Transaction not yet indexed

644aAmvkET4N8kZaxjbAMBADWcbKLg7PFVAsfV5P4Wx5hDx2nFsxWRLmVs66oncmjA8X86a2SNnnxLNrAbYcJ7Jc

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