Transaction not yet indexed

21f6VXk8757dQu3oS9dy5JsSpfpn8TgoAsKQwdfNwPCBsxDqDsTg7vmU3ddjEK2et2YkM9caqLWu4SihWC2oprce

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