Transaction not yet indexed

NNgMyPy8LFYfR2ZYc8pDB5DvkmUQY1g8H2mgLV4hQQEX7UhKdrVQz9HQYtYc8HysWMMNFcEwoigTtDzkP1MU7Mn

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