Transaction not yet indexed

ymccrUBjTPExJ5MGe3aCPyDLL2hjr7XQov29yP7nRQQxghEEvcUcVwhDe1eKtXjx33X1mkTNvB2qz5fTWRU6Y9e

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