Transaction not yet indexed

MtEJ7jtxX7ngnbzHDMRZQucPsRJo8hFrvtHVsYKjSEEeVYk2uiGm2vbUbfoGjFb8JcFrkSKCPMYjPEQwpzQGvBZ

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