Transaction not yet indexed

516ErUUbBZFSBZ6FdmE4ZjEJWh3TPqh8dKMBqt9CbdnTqk3vmx9ec45RwFfHUAt8KYCishSr2kFYikMyjg873jrt

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