Transaction not yet indexed

Ymn6791baZTuUyi7w3qniSChyHyAVT6xwbe1fxTKdLYx3te2ZSzuYjgUE2xPxsdCPbufccXDrc3XEtZeyGPwbW1

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