Transaction not yet indexed

3521CG6mrRLXmNhQgBAT9FnYPpF5gSLEX1XvTh2VfJbVtzM7NNau5fHJ5ExyoHzujbs6irPWEx7ykijRPG6Jdby2

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