Transaction not yet indexed

1MRZk7AzKxAWqyiJVNqvkPCHfmdHup2jupd6RiiufHxe17g2YXZVwCmPKfxHVAZLgHMfQwdoSmYJ5pSqzgYAMFD

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