Transaction not yet indexed

MtgmHXhdavp6z3WQndVnP6Z2CuvcqZRAVzwWE2FdC36ZC8yPLfCwpTLrMDjiHGpKYeuiXrDZCZLkz61o1LU7ct9

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