Transaction not yet indexed

AMQW53PFTUdGAo9hDfquow9PtWFZXJ7Fd2kum4uc3ZjepUU6WPowGK88EXLBW6RpsH2QhF3EXj9fMkYC8osHDSJ

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