Transaction not yet indexed

MPb6wHxSUBXDPhxnE8J6DPqj9fSSbr8fXySRTHCezaQiUezvDby8GCFBENfcPmBytcnffkC5ZLDZipu2pwBe9oR

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