Transaction not yet indexed

MbkQC75LQEnWSZUgdtG9biSqe87xLEFSq6x4YeL7oiHXoiCeeXzWdFT4vVLDLQc4FGYwkdh69sHih1wS5T13ff6

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