Transaction not yet indexed

53EFSkkQq9xXdWz3FkEu4W8v8aaa2TiZzkxpBQc1Pkjey26YmMHLLFex1nWS4HVUKtkFSXoxMVtgW5AcY4JkZSkx

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