Transaction not yet indexed

21MYiwmH7iw3D3ePbmU6F7oD9ZUkbLCqqK8sfi1UY6MpsvtyEhoXcQYuipTN6dmu1K6S4X2jHTKsqfyp5dNTJac7

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