Transaction not yet indexed

GM6aUnMdPVhSSC857UkFSNaxZhmW6xttiuHtpQ81QeWTdUjbqbsCgQpFr7ExFyN2yDMXPpJarKUMasZ2ZMQF3Pi

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