Transaction not yet indexed

4AmbQnGKx88LfAVfBkMUiy3bZST3dXnqfvzMH2kLjdJT58hRsuHoNeNqaNxAzw8u7iki7NmS2GX1nMKdjHJmJL2Z

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