Transaction not yet indexed

PpMDkoW5rDaMoAJpgNMTUkH4vmZrHZneLhTsZ4rDCXLc2TgAs9ju6eZkryeCLRgenvCfk6B4zQAHgw2D2ZBZ1hK

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