Transaction not yet indexed

28Ugaao8uMUTa7uUTF2AmrsfbepBkcF5PjNDj5xdUMJQWNKdPgFxphCxDLdpM7HxY2uLrgN8grrth5LD8nqAaP35

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