Transaction not yet indexed

528PBVjgTRu6Yu5Cjw66F9KvkYTPeBYD1TcmzqCJRfAFM5Nc8tFyk5ySbbtFyz4bgoLD2CxoDN96BvEd9zipEob6

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