Transaction not yet indexed

488Sfmb8yiF12CUu71vqH97MTm8fvLSREvCkpWkn5kR1ZjrF9NxCMnMBuoK6zfnp1jedfNq1jtRBnwkVHB9KsJvk

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