Transaction not yet indexed

Tfff3TzVEjAGZHTTUdgXfMC7YLerVLwjcm6niWEyeM7W2sXfZwnKmz2rixZHxFUHaBFeNWSReYgejmU539MTdU5

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