Transaction not yet indexed

5M66f34RmxedDXk5y3T4YEFrvjnzWBnMycVNLXPFBwy4r1f7eN4vkmfRtzbEspSnYYaGoR7f3SpJ7VbSpCygp5o2

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